小学三年级下册脱式计算练习题

2018.07.11星期三

(1)396÷3÷2 (2)25×8÷4 (3)985-168÷4 (4)648+480÷3 (5)124-735÷7 (6)(22+34)÷8 (7)45÷(15÷3) (8)(601-246)÷5 (9)205+7×8 (10)62-(25-7) (11)32×4+72 (12)305×3-154 (13)96×4+80 (14)120-800÷10 (15)57×8-406 (16)99×2+3 (17)615×3+7 (18)45×9-335 (19)8×37+460 (20)123+377×2

2018.07.12星期四

(1)150×30÷5 (2)650+25×8 (3)210-50×3 (4)6012÷(200-194)

(5)360÷(20-5) (6)625÷(15÷3) (7)681+27×4 (8)23+253×4

(9)720÷(15-3×2)(10)(108+54)×5 (11)45+165÷3 (12)44×12+28

(13)550÷11+80 (14)368+35×11 (15)252÷6+35 (16)48÷(2+6)

(17)672÷(3×25-73)(18)703-24×25 (19)23×46÷2 (20)93×(515-428)

2018.07.13星期五

(1)(69+21)×9 (2)(10+25)×44 (3)234÷(205-199) (4)(75+315)÷5 (5)100÷25÷4 (6)135-75÷5 (7)182÷13+34 (8)120÷(30-6) (9)196+24×18 (10)466+14×2 (11)(205-198)×4 (12)240×3-154 (13)203-135÷9 (14)(124-85)×12 (15)45÷9×24 (16)(270-180)÷30 (17)28+120×8 (18)4500-24×12 (19)26×4-125÷5 (20)860-20×30

2018.07.16星期一

(1)987÷3×2 (2)291×4×5 (3)555×7×4 (4)78×3÷9

(5)1005÷5÷3 (6)996÷6×2 (7)256×7×5 (8)150×4÷5

(9)726+247×3 (10)4176÷3÷3 (11)1912×3÷4 (12)328+16×3

(13)6024÷3÷4 (14)280×5÷4 (15)718-75×8 (16)(187-24)×5

(17)615-74×8 (18)275×6÷3 (19)5×(399-214) (20)(582+6467)÷7

(1)424×3×2 (2)328+172×6 (3)347×4-192 (4)34+306×2

(5)451+549÷3 (6)37×100-37 (7)6×25+75×6 (8)720÷5-80

(9)4×38-12 (10)257×4÷2 (11)345+255÷5 (12)567×2×5 (13)369×4÷3 (14)45×9+55×9 (15)198-98×2 (16)(741-159)÷6 (17)405÷9×3 (18)(321-39)÷6 (19)84×7+84÷7 (20)630+322×2

2018.07.18星期三

(1)7×(34+56) (2)125×2×5 (3)985-57×9 (4)(65+16)÷9 (5)230×(140-132) (6)(2534-958)÷8 (7)792×7÷9 (8)708-35×20 (9)(120-103)×50 (10)50+160÷4 (11)493+25×7 (12)(95-95)×74 (13)78×7+80 (14)(532-391)×6 (15)1208-230×5 (16)700-57×9 (17)615×9+77 (18)792×7÷9 (19)4280÷(19-11) (20)(2534-958)÷8

(1)360÷24×8 (2)280×8+650 (3)64×21÷28 (4)(36+64)×65 (5)284+16×8 (6)(284+16)×8 (7)(58+37)×5 (8)120-36×2 (9)26×4+221 (10)147+72×8 (11)202+36×9 (12)305×3+666 (13)96×5+775 (14)921-7×4 (15)770÷7+65 (16)640×2+396 (17)434+25×5 (18)505×(400-396) (19)670+72×9 (20)(9600-2400)÷5

2018.07.20星期五

(1)960÷4×5 (2)25×8×7 (3)350÷5×9 (4)450÷5+1250

(5)(6900-2400)÷5 (6)6×250×0 (7)810×4÷4 (8)153÷153+657

(9)687+99×6 (10)3390-25×7) (11)689×2+72 (12)362×3-154

(13)296×4-79 (14)120+800÷40 (15)98×8-623 (16)399×2+451

(17)535×4÷5 (18)345×9-305 (19)82×7+825 (20)467+807×3

396÷3÷2 25×8÷4 985-168÷4 648+480÷3 124-735÷7 （34＋22）÷8 45÷（15÷3）（601－246）÷5 205＋7×8 62-（25-7） 32×4＋72 305×3-154

523+248-475 470÷5-28 459÷9×7 294＋399÷7

264＋159＋47 892－537＋469 763－386－363 72－70÷7－29

2018.07.24星期二

900－473－227 406＋369＋94 683＋258－383 359＋432－189

81－81÷9 460＋177－177 698－245－155 456＋299＋81

542－128－272 853＋109－853 63×7＋540 550＋45×9

838－(138＋275） 96×4＋80 120＋800÷10 57×8－406

208＋342＋292 803－589＋111 99×2+3 235＋178＋165

605×3＋7 45×9－335 1000－487－513 8×37＋460 289＋578－189 329＋332＋171 836＋529－436 207×8－987 123＋377×2 1948＋539－648 406×7－669 438＋279＋362 200＋150×30 650＋50×3 6012÷(200－194) 72－6×4÷3 396÷3÷2 25×8÷4 985-168÷4 648+480÷3

2018.07.26星期四

124-735÷7 （34＋22）÷8 45÷（15÷3）（601－246）÷5

205＋7×8 62-（25-7） 32×4＋72 305×3-154

523+248-475 264＋159＋47 900－473－227 81－81÷9

542－128－272 838－(138＋275） 208＋342＋292 615×3＋7

289＋578－189 329＋332＋171 836＋529－436 207×8－987

123＋377×2 1948＋539－648 406×7－669 438＋279＋362 200＋150×30 650＋50×3 6012÷(200－194) 470÷5-28

75＋360÷(20－5) 72－6×4÷3 75＋360÷20－5 (75＋360)÷(20－5) 12＋(40÷5×24) (5625＋3675)÷(15÷5) 681＋27×4÷2 23＋253×4 720÷(15－3×2) 3889－(108＋41)×5 (800＋200÷50)×3 45＋165÷3

2018.07.30星期一

960－40÷20－15 640÷(80－20×3) 44×12＋29 550÷110－15×4 368－35×11 （365－328）×（73－55）（4535－500）÷（782－777） 466＋14×2

632－48×12＋86 252÷6＋35×7 672÷(3×25－73) 48÷(2＋6)

703－24×25 （252＋144）÷（308－298） 23×46÷2 93×（515－428）

82÷41×68 (69＋21)×(72÷8) (16＋20)×35 (126－87)×12÷26

234÷(205－199) (75＋315)÷(25－20) 100÷25÷4 (10＋25)×44 (121－92)×12÷6 620－530÷5 178－(83＋360÷60) 870－30÷15＋13 （420＋60)÷30 25×32×125 460÷（30－21÷3） 9000－75×24 960÷15－28 (49＋21)×(48÷8) 45＋180÷30 84－4×9÷6 135－75÷5 182÷13＋34×3 45＋120÷(30－6) 196＋24×18

2018.08.01星期三

430＋120÷4×7 531÷9－7×8 （15×40－360）÷8 600÷（96÷16＋6）146＋25×17－120 75＋240÷5 315－67×4 103×（50－40÷5）

（45×79－175）÷5 （48 ＋52）÷20 22×4＋221 21×3＋410

40÷2＋174 125 ×8 ×7 75＋25× 4 120×5÷2

202＋36÷9 30÷5＋240 9×4＋420 2×80÷4

81÷9＋877 66×5+774 921+7×4 147＋72÷8 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 80×6×2 770÷7+65 60－12×3 64÷8＋456 640＋60×4 40＋100÷5 434＋25×5 5×7－48÷6 42÷7＋36÷6 37×4＋19×8 600×8÷3 25÷5＋42÷6

2018.08.03星期五

35÷5＋8×7 72÷9－36÷6 21×4－54÷9 10×4－20÷4

72÷8＋9×5 36÷4＋21×2 25÷5－16÷4 500×(400－396)

72÷9－5 564+264-453 7650-(546+4530) 65×9-450

56÷7＋36÷6 6700+72÷8 14×6+9×5 900÷(71-68)

180÷9-42÷6 9×80+980 9000-(4500+250) 6500+1250-3500

80×30+5600 9450-3200-4200 8×(910-720) 760-540+1110 2400÷6－45 800× 7－180 1600÷2＋230 12÷6＋45×3 4000÷8+350 320÷8＋64 630÷9+320 2800+32×6 300÷6×9 (6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8 60×8+1570 60×(23-17) 960÷4×9 350÷5×9

2018.08.07星期二

450÷5+1250 280× 4 ÷5 3090＋6×6 (387－387)＋0

160－160÷80 750＋550÷5 (6900-2400)÷5 75÷15＋20×5

(1＋7)×(16－6) 810×4÷4 33÷11＋4×9 125×8÷100

187＋299－299 587＋496－674 2660＋26÷26 (111＋189)×3

300－(300－222) 75÷15＋20×5 （150－75）×（25－20） 153÷153+657

32÷(32÷16) 687＋（99－67） 1000＋（1000－988） 3560＋20×90 (250－150)÷5 687＋999÷3 3390－10×95 (4870-3675)＋7200÷9 (9467-5642)÷(350÷70) 6×250×0 270÷3×9 15÷3＋10÷5 22×4+221 21×3+410 40÷2+174 147+72÷8 9×4+420 2×80÷4 120×5÷2 202+36÷9

2018.08.09星期四

396÷3÷2 25×8÷4 985-168÷4 648+480÷3 124-735÷7 （34＋22）÷8 45÷（15÷3）（601－246）÷5 205＋7×8 62-（25-7） 32×4＋72 305×3-154 523+248-475 470÷5-28 459÷9×7 294＋399÷7 264＋159＋47 892－537＋469 763－386－363 81÷9+877

900－473－227 406＋369＋94 683＋258－383 359＋432－189 81－81÷9 460＋177－177 698－245－155 456＋299＋81 542－128－272 853＋109－853 63×7＋540 550＋45×9 838－(138＋275） 96×4＋80 120＋800÷10 57×8－406 208＋342＋292 803－589＋111 99×2+3 235＋178＋165

2018.08.13星期一

615×3＋7 45×9－335 1000－487－513 8×37＋460

289＋578－189 329＋332＋171 836＋529－436 207×8－987

123＋377×2 1948＋539－648 406×7－669 438＋279＋362

200＋150×30÷5 650＋50×3 6012÷6＋936 75＋360÷(20－5)

2－6×4÷3 75＋360÷20－5 (75＋360)÷(20－5) 12＋(40÷5×24)

(5625＋3675)÷(15÷5) 681＋27×4÷2 23＋253×4 66×5+774

720÷(15－3×2) 3889－(108＋41)×5 (800＋200÷50)×3 45＋165÷3

960－40÷20－15 640÷(80－20×3) 44×12＋29 550÷110－15×4

368－35×11 （365－328）×（73－55） 632－48×12＋86 252÷6＋35×7

672÷(3×25－73) 48÷(2＋6) 703－24×25 （252＋144）÷（308－298）

2018.08.15星期三

23×46÷2 93×（515－428） 82÷41×68 (69＋21)×(72÷8)

(16＋20)×35 (126－87)×12÷26 234÷(205－199) (75＋315)÷(25－20)

100÷25÷4 (10＋25)×44 (121－92)×12÷6 620－530÷5×2

178－(83＋360÷60) 870－30÷15 （420＋60)÷(275－245) 25×32×125

460÷（30－21÷3） 9000－75×24 960÷15－28 (49＋21)×(48÷8)

45＋180÷30－6 84－4×9÷6 135－75÷5 182÷13＋34×3 466＋14×2 2400÷60－16×2 420÷(205－198)×4 44×12＋29

203－135÷9 (84－4)×9÷6 (65＋250)÷(18－13) 36×13＋207÷3

28＋120×8 (124－85)×12÷2 1825－45÷9×24 (270－180) ÷30

72－12×6＋43 (59＋31)×(96÷8) 1024－(680＋640÷8) 640÷8－50

2018.08.17星期五

800÷20÷4 4800－24×(32÷2) 26×4－125÷5 860－20×30

987÷3×6 96×(28－75÷5) 1674－45÷9×100 56－(25＋17)

291×4×5 555×7×4 78×3÷9 1005÷5÷3

996÷6×2 256×7×5 45÷3÷5 150×4÷10

726＋274×3 4176÷3÷2 1912×3÷4 5614－（3000＋614）

6024÷3÷4 2800×5÷4 1089－（400＋311） 328＋16×2 （100－36）÷4 718－75×3 （187－24）×5 2335－74×8 275×6÷3 5×（399－214）（582＋6467）÷7 424×3×2 328＋172×6 516－123＋77 347×4－192 2762－（762－78）

6×25＋75×6 37×100－37 451＋549÷3 34＋306×2

2018.08.21星期二

720÷8－80 1865－468－332 4×38－12 3689＋498－689

169＋584＋731 345＋255÷5 257×4÷2 256＋389＋211

567×2×5 369×2÷3 258＋493－58 45×9＋55×9

198－98×2 （741－159）÷6 54÷6－5 167＋45＋282

763－84－163 468＋28＋32 405÷9×3 456－178－256

345＋456＋155 （321－39）÷6 84÷7＋35×4 540÷9－300÷6

480÷8＋320÷4 120×3－90×2 30×4＋60×5 488÷4－23×4

180÷9-18 （48+52）÷5 100-25×4 20+80×3 7×（34+56） 105×2×5 800-57×9 （65+16）÷9

230×（140-132） 24×5+24×7 （2534－958）÷8 792×7÷9

2018.08.23星期四

707－35×20 (120－103)×50 50＋160÷40 （58+370）÷(64-45)

120-144÷18+35 760÷10÷38 95－19×5÷74 24×5+24×7

45×20×3 95÷（64-45） 48÷8×7 50＋160÷40

493+25×7 （95－95）÷74 14+20÷5 85+14×3

284+16×5 4280÷（19－11） 78×7＋81÷9 （5021－3918）×6

1208－230×5 80÷9-18 （48+52）÷5 120÷(30－6)

20+80×3 7×（34+56） 105×2×5 800-57×9 （65+16）÷9 230×（140-132） 24×5+24×7 (2534－958)÷8

792×7÷9 （5021－3918）×6 1208－237×5 4280÷（19－11）

190＋360÷24 (140＋60)×(26－8) 78×7＋828 (359－42)×53＋64

2018.08.27星期一

707－35×20 （120－103）×50 50＋160÷40 （58+370）÷（64-45）

120-144÷18+35 760÷10÷38 （95－19×5）÷74 45×20×3 （270＋180）÷5 347+45×2 295÷（64-45） 178-1280＋650÷13

9+31×11 （36+64）×65 85+14×（14-8）（284+16）×8

120-36×2 （58+37）×5 22×4＋221 21×3＋410

40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2

600×8÷3 40＋100÷5 434＋25×5 60－12×3

2018.08.29星期三

64÷8＋456 640＋60×4 5×7－48÷6 42÷7＋36÷6

10×4－20÷4 15÷3＋10÷5 25÷5＋42÷6 35÷5＋8×7

72÷9－36÷6 21×4－54÷9 72÷8＋9×5 36÷4＋21×2

25÷5－16÷4 56÷7＋36÷6 500×(400－396) 72÷9－5

564+264-453 7650-(546+4530) 65×9-450 9×80+980

9000-(4500+250) 6700+72÷8 14×6+9×5 900÷(71-68) 12÷6＋45×3 8×(910-720) 760-540+1110 6500+1250-3500

80×30+5600 9450-3200-4200 2400÷6－45 800× 7－180 1600÷2＋230 4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9

630÷9+320 2800+32×6 300÷6×91 80÷9-42÷6

2018.08.31星期五

(6900-2400)÷ 5 （72÷9）÷(56÷8) 54÷9×8 280×4÷5

60×8+1570 60×(23-17) 960÷4×9 350÷5×9

450÷5+1250 (6900-2400)÷5 75÷15＋20×5 3090＋6×6

(387－387)＋0 160－160-80 750＋550÷5 (111＋189)×3

125×8÷100 6×250×2 37×4＋19 196＋24×18

小学三年级数学脱式计算200题

824÷4×3 （601-246）÷5 201+232-365 = = = = = = （25+38）×15 （59-187）÷3 1500-125×8 = = = = = = 25×8×9 （601-246）÷5 201+232-365 = = = = = = (25+33) ×26 2+3×56= 63×147-198= = = = = = = 735-35×12= 540÷(65-59) 789-13×45 = = = = = = 22×4＋221 21×3＋410 40÷2＋174 = = = = = =

147＋72÷8 9×4＋420 2×80÷4 = = = = = = 120×5÷2 202＋36÷9 30÷5＋240 = = = = = = 81÷9＋877 66×5+774 921+7×4 = = = = = = 80×6×2 770÷7+65 807＋20÷2 = = = = = = 100－50÷5 35－35÷7 302＋30×2 = = = = = = 600×8÷3 40＋100÷5 434＋25×5 = = = = = =

60－12×3 64÷8＋456 640＋60×4 = = = = = = 56÷7＋36÷6 500×(400－396) 72÷9－5 = = = = = = 564+264-453 7650-(546+4530) 65×9-450 = = = = = = 9×80+980 9000-(4500+250) 6700+72÷8 = = = = = = 14×6+9×5 900÷(71-68) 180÷9-42÷6 = = = = = = 12÷6＋45×3 8×(910-720) 760-540+1110 = = = = = =

小学三年级上册数学脱式计算题

小学三年级数学脱式计算题汇总 132+12×37 250+23×38 440+13×36= = = = = = = 199+25×89 819+49×90 418+57×67 = = = = = = 516+27×36 315+57×34 147+28×36 = = = = = = 518+18×47 419+29×54 128+28×19 = = = = = = 319+32×56 189+42×37 818+41×53 = = = = = = 32+65×37 850+27×38 269+85×39 = = = = = = 215+35×47 652+78×36 107+29×64 = = = = = =

= = = = = = 671+92×23 493+18×67 465+85×34 = = = = = = 378+54×27 498+56×26 807+51×46 = = = = = = 909+37×35 414+58×47 731+59×67 = = = = = = 308+47×87 167+81×90 299+33×77 = = = = = = 506+21×49 190+76×34 41+47×36 = = = = = = 245+53×69 752+53×87 817+56×89 = = = = = =

= = = = = = 561+57×92 43+59×38 458+86×36 = = = = = = 538+27×38 548+52×59 87+29×78 = = = = = = 299+39×48 544+56×21 531+51×88 = = = = = = 38+23×38 67+59×57 99+35×36 = = = = = = 516+55×65 90+53×38 49+82×49 = = = = = = 265+54×66 552+53×46 417+88×62 = = = = = =

三年级上册脱式计算题60道)

三年级脱式计算题60道 沙井镇中心小学三年级李小雪 25+32×23 52+18×12 17+34×19 = = = = = = 37+16×28 65+11×12 56+37×21 = = = = = = 61+12×23 43+21×23 45+32×55 = = = = = = 38+25×31 48+52×21 87+35×49 = = = = = = 99+46×97 44+81×33 31+98×76 = = = = = = 38+53×47 67+81×90 99+54×56 = = = = = =

= = = = = = 96+72×44 98+55×67 37+43×77 = = = = = = 32+58×86 25+67×22 44+88×22 = = = = = = 99+65×34 89+78×46 48+63×91 = = = = = = 56+89×77 35+49×82 47+99×89 = = = = = = 58+85×33 49+65×33 79+92×93 = = = = = = 39+83×55 89+56×61 88+38×49 = = = = = =

= = = = = = 196+55×31 198+12×89 137+22×88 = = = = = = 132+12×37 250+23×38 440+13×36 = = = = = = 199+25×89 819+49×90 418+57×67 = = = = = = 516+27×36 315+57×34 147+28×36 = = = = = = 518+18×47 419+29×54 128+28×19 = = = = = = 319+32×56 189+42×37 818+41×53 = = = = = =

人教版三年级下册脱式计算

22×4＋221 21×3＋410 40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 600×8÷3 40＋100÷5 434＋25×5 60－12×5 64÷8＋456 72÷8＋9×5

564+264-453 7650-(546+4530) 65×9-450 14×6+9×5 900÷(71-68) 180÷9-42÷6 12÷6＋45×3 8×(910-720) 760-540+1110 6500+1250-3500 80×30+5600 9450-3200-4200 240÷4－45 80×7－180 1600÷2＋230 280× 4 ÷5 60×8+1570 60×(23-17) 22×4＋221 21×3＋410 40÷2＋174

147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋87 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 600×8÷3 40＋100÷5 434＋25×5 60－12×3 64÷8＋456 640＋60×4 564+264-453 7650-(546+4530) 65×9-450

9×80+980 9000-(4500+250) 6700+72÷8 6500+1250-3500 80×30+5600 9450-3200-4200 4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9 630 ÷ 9 + 320 2800+32× 6 300÷6×9 280× 4 ÷5 60×8+1570 60×(23-17) (111＋189)×3 125×8÷100 6×250×0 (387－387)＋0 160－160÷80 750＋550÷5 (111＋189)×3 125×8÷100 6×250×0

三年级上册脱式计算题道

三年级脱式计算题60道 xx中心小学三年级xx小雪 25+32×23 52+18×12 17+34×19= = = = = =37+16×28 65+11 = = = = = =61+12×23 43+21 = = = = = =38+25×31 48+52 = = = = = =99+46×97 44+81 = = = = = =38+53×47 67+81 = = = = = =×12 56+37 ×23 45+32×21 87+35×33 31+98×90 99+54×21×55×49×76×5656+56×76 190+18×11 41+51×87= = = = = =96+72×44 98+55×67 37+43×77= = =

25+67 = = = = = =99+65×34 89+78 = = = = = =56+89×77 35+49 = = = = = =58+85×33 49+65 = = = = = =39+83×55 89+56 = = = = = =×22 44+88 ×46 48+63 ×82 47+99 ×33 79+92 ×61 88+38×22×91×89×93×49125+82×37 152+58×33 117+58×77= = = = = =196+55×31 198+12×89 137+22×88= = =

250+23 = = = = = =199+25×89 819+49 = = = = = =516+27×36 315+57 = = = = = =518+18×47 419+29 = = = = = =319+32×56 189+42 = = = = = =×38 440+13×90 418+57×34 147+28×54 128+28×37 818+41×36×67×36×19×53

三年级脱式计算大全

. 小学三年级数学脱式计算题汇总 132+12×37 250+23×38 440+13×36= = = = = = = 199+25×89 819+49×90 418+57×67 = = = = = = 516+27×36 315+57×34 147+28×36 = = = = = = 518+18×47 419+29×54 128+28×19 = = = = = = 319+32×56 189+42×37 818+41×53 = = = = = = 32+65×37 850+27×38 269+85×39 = = = = = = 215+35×47 652+78×36 107+29×64 = = = = = = 307+77×83 635+57×86 556+38×87 = = = = = = 671+92×23 493+18×67 465+85×34 = = = = = = 378+54×27 498+56×26 807+51×46 = = = = = = 909+37×35 414+58×47 731+59×67 = = = = = = 308+47×87 167+81×90 299+33×77 = = = = = = 506+21×49 190+76×34 41+47×36 = = = = = = 245+53×69 752+53×87 817+56×89 = = = = = = 837+68×36 865+98×49 356+76×58 = = = = = = 561+57×92 43+59×38 458+86×36 = = = = = = 538+27×38 548+52×59 87+29×78 = = = = = = 整理可编辑

(完整)小学三年级下册脱式计算练习题

2017.07.05星期三 (1)396÷3÷2 (2)25×8÷4 (3)985-168÷4 (4)648+480÷3 (5)124-735÷7 (6)(22+34)÷8 (7)45÷(15÷3) (8)(601-246)÷5 (9)205+7×8 (10)62-(25-7) (11)32×4+72 (12)305×3-154 (13)96×4+80 (14)120-800÷10 (15)57×8-406 (16)99×2+3 (17)615×3+7 (18)45×9-335 (19)8×37+460 (20)123+377×2 2017.07.06星期四 (1)150×30÷5 (2)650+25×8 (3)210-50×3 (4)6012÷(200-194) (5)360÷(20-5) (6)625÷(15÷3) (7)681+27×4 (8)23+253×4 (9)720÷(15-3×2)(10)(108+54)×5 (11)45+165÷3 (12)44×12+28 (13)550÷11+80 (14)368+35×11 (15)252÷6+35 (16)48÷(2+6) (17)672÷(3×25-73)(18)703-24×25 (19)23×46÷2 (20)93×(515-428)

2017.07.07星期五 (1)(69+21)×9 (2)(10+25)×44 (3)234÷(205-199) (4)(75+315)÷5 (5)100÷25÷4 (6)135-75÷5 (7)182÷13+34 (8)120÷(30-6) (9)196+24×18 (10)466+14×2 (11)(205-198)×4 (12)240×3-154 (13)203-135÷9 (14)(124-85)×12 (15)45÷9×24 (16)(270-180)÷30 (17)28+120×8 (18)4500-24×12 (19)26×4-125÷5 (20)860-20×30 2017.07.10星期一 (1)987÷3×2 (2)291×4×5 (3)555×7×4 (4)78×3÷9 (5)1005÷5÷3 (6)996÷6×2 (7)256×7×5 (8)150×4÷5 (9)726+247×3 (10)4176÷3÷3 (11)1912×3÷4 (12)328+16×3 (13)6024÷3÷4 (14)280×5÷4 (15)718-75×8 (16)(187-24)×5 (17)615-74×8 (18)275×6÷3 (19)5×(399-214) (20)(582+6467)÷7

小学三年级数学脱式计算题汇总

26+68×6 85+57×6 52+69×7 103+13×4 55+71×3 87+26×3 = = = = = = 75+35×5 55+37×3 86+17×3 = = = = = = 26+26×2 78+87×3 23+52×7 = = = = = = 90+56×3 99+27×3 88+28×3 = = = = = = 99+28×3 77+29×3 76+38×3 = = = = = = 66+27×2 77+81×9

99+29×2 66+85×6 = = = = 66+38×6 22+39×6 88+37×1 = = = = = = 22+30×6 25+32×3 77+28×3 = = = = = = 99+72×2 55+36×3 66+88×3 = = = = = = 88+35×3 121+63×6 55+86×3 = = = = = = 77+26×2 33+43×6 111+29×3 = = = = = = 55+38×6 89+66×33+69×3 = = = = = =

67+26×3 99+78×3 = = = = 29+31×6 77+32×7 88+37×5 = = = = = = 73+15×4 90+76×2 52+16×3 = = = = = = 67+12×5 29+15×3 83+26×8 = = = = = = 50+93×3 23+40×9 80+73×2 = = = = = = 12+57×3 86+26×2 353+55×3 = = = = = = 15+53×3 55+28×2 37+68×6 = = = = = =

小学三年级数学脱式计算题

三年级脱式计算题 25+32×23 52+18×12 17+34×19 = = = = = = 37+16×28 65+11×12 56+37×21 = = = = = = 61+12×23 43+21×23 45+32×55 = = = = = = 38+25×31 48+52×21 87+35×49 = = = = = = 99+46×97 44+81×33 31+98×76 = = = = = = 38+53×47 67+81×90 99+54×56 = = = = = = 56+56×76 190+18×11 41+51×87 = = = = = =

96+72×44 98+55×67 37+43×77 = = = = = = 32+58×86 25+67×22 44+88×22 = = = = = = 99+65×34 89+78×46 48+63×91 = = = = = = 56+89×77 35+49×82 47+99×89 = = = = = = 58+85×33 49+65×33 79+92×93 = = = = = = 39+83×55 89+56×61 88+38×49 = = = = = = 125+82×37 152+58×33 117+58×77 = = = = = =

196+55×31 198+12×89 137+22×88 = = = = = = 132+12×37 250+23×38 440+13×36 = = = = = = 199+25×89 819+49×90 418+57×67 = = = = = = 516+27×36 315+57×34 147+28×36 = = = = = = 518+18×47 419+29×54 128+28×19 = = = = = = 319+32×56 189+42×37 818+41×53 = = = = = = 32+65×37 850+27×38 269+85×39 = = = = = =

三年级上脱式计算题

三年级脱式计算题 22×4＋221 21×3＋410 40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 600×8÷3 40＋100÷5 434＋25×5 60－12×3 64÷8＋456 640＋60×4 72÷8＋9×5 56÷7＋36÷6 500×(400－396) 72÷9－5 564+264-453 7650-(546+4530) 65×9-450 9×80+980 9000-(4500+250) 6700+72÷8

14×6+9×5 900÷(71-68) 180÷9-42÷6 12÷6＋45×3 8×(910-720) 760-540+1110 6500+1250-3500 80×30+5600 9450-3200-4200 2400÷6－45 800× 7－180 1600÷2＋230 4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9 630 ÷ 9 + 320 2800+32× 6 300÷6×9 (6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8 280× 4 ÷5 60×8+1570 60×(23-17) 22×4＋221 21×3＋410 40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240

81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 600×8÷3 40＋100÷5 434＋25×5 60－12×3 64÷8＋456 640＋60×4 5×7－48÷6 42÷7＋36÷6 37×4＋19×8 10×4－20÷4 15÷3＋10÷5 25÷5＋42÷6 35÷5＋8×7 72÷9－36÷6 21×4－54÷9 72÷8＋9×5 36÷4＋21×2 25÷5－16÷4 56÷7＋36÷6 500×(400－396) 72÷9－5 564+264-453 7650-(546+4530) 65×9-450 9×80+980 9000-(4500+250) 6700+72÷8

三年级下册脱式计算

三年级下册脱式计算200道题 1. 396÷3÷2 2. 25×8÷4 3. 985-168÷4 4.648+480÷3 5.124-735÷7 6.（34＋22）÷8 7. 45÷（15÷3） 8.（601－246）÷5 9.205＋7×8 10. 62-（25-7） 11. 32×4＋72 12. 305×3-154 13.523+248-475 14. 470÷5-28 15。459÷9×7 16. 294＋399÷7 17.68＋24×40 18. 125÷5×39 19. 68＋24×40 20. 125÷5×39 21.78÷3÷5 22.125×8＋231 23.45×19＋209 24. 456－238÷7 25.28×（180－98） 26.78÷3÷5 27. 125×8＋231 28.943-143×6 29.56×8÷7 30.553+176×2 31. 366÷（54÷9） 32.68＋24×40

33.125÷5×39 34.78÷3÷5 35. 125×8＋231 36.100－100÷4 37.（180+720）÷9 38.25×16÷5 39. 684+207÷3 40.（2085＋960)÷5 41.6732÷(528－525) 42. 980÷35×41 43.140÷5÷2 44. 64＋396÷3 45. 78×（28＋30） 46.25+32×23 47.52+18×12 48. 17+34×19 49.37+16×28 50. 65+11×12 51. 56+37×21 52.61+12×23 53.43+21×23 54.45+32×55 55.38+25×31 56.48+52×21 57. 87+35×49 58.99+46×97 59.44+81×33 60.31+98×76 61.38+53×47 62.67+81×90 63.99+54×56 64. 79+92×93 65.56+56×76 66.190+18×11 67.41+51×87 68. 49+65×33

三年级上脱式计算题

寒假作业- 脱式计算题（每天3题x 20天） 22×4＋221 21×3＋410 40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2

600×8÷3 40＋100÷5 434＋25×5 60－12×3 64÷8＋456 640＋60×4 56÷7＋36÷6 500×(400－396) 72÷9－5 564+264-453 7650-(546+4530) 65×9-450 9×80+980 9000-(4500+250) 6700+72÷8 14×6+9×5 900÷(71-68) 180÷9-42÷6

12÷6＋45×3 8×(910-720) 760-540+1110 6500+1250-3500 80×30+5600 9450-3200-4200 2400÷6－45 800× 7－180 1600÷2＋230 4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9 630 ÷ 9 + 320 2800+32× 6 300÷6×9 (6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8 280× 4 ÷5 60×8+1570 60×(23-17)

22×4＋221 21×3＋410 40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 600×8÷3 40＋100÷5 434＋25×5 60－12×3 64÷8＋456 640＋60×4 5×7－48÷6 42÷7＋36÷6 37×4＋19×8

三年级数学脱式计算

824÷4×3 = = （25+38）×15 = = 25×8×9 = = (25+33) ×26 = = 735-35×12 = = 22×4＋221 = = 640＋60×4 = =（601-246）÷5 = = （59-187）÷3 = = （601-246）÷5 = = 2+3×56 = = 540÷(65-59) = = 21×3＋410 = = 5×7－48÷6 = = 201+232-365 = = 1500-125×8 = = 201+232-365 = = 63×147-198 = = 789-13×4 = = 40÷2＋174 = = 42÷7＋36÷6 = =

147＋72÷8 = = 120×5÷2 = = 81÷9＋877 = = 80×6×2 = = 100－50÷5 = = 600×8÷3 = = 37×4＋19×8 = =9×4＋420 = = 202＋36÷9 = = 66×5+774 = = 770÷7+65 = = 35－35÷7 = = 40＋100÷5 = = 10×4－20÷4 = = 2×80÷4 = = 30÷5＋240 = = 921+7×4 = = 807＋20÷2 = = 302＋30×2 = = 434＋25×5 = = 15÷3＋10÷5 = =

60－12×3 = = 56÷7＋36÷6 = = 564+264-453 = = 9×80+980 = = 14×6+9×5 = = 12÷6＋45×3 = = 25÷5＋42÷6 = =64÷8＋456 = = 500×(400－396) = = 7650-(546+4530) = = 9000-(4500+250) = = 900÷(71-68) = = 8×(910-720) = = 35÷5＋8×7 = = 640＋60×4 = = 72÷9－5 = = 65×9-450 = = 6700+72÷8 = = 180÷9-42÷6 = = 760-540+1110 = = 72÷9－36÷6 = =

小学三年级竖式、脱式计算练习题

= = = 37+16×28 65+11×12 56+37×21 = = = = = = 61+12×23 43+21×23 45+32×55 = = = = = = 38+25×31 48+52×21 87+35×49 = = = = = = 99+46×97 44+81×33 31+98×76 = = = = = = 38+53×47 67+81×90 99+54×56 = = = = = = 56+56×76 190+18×11 41+51×87 = = = = = = 96+72×44 98+55×67 37+43×77 = = = = = = 32+58×86 25+67×22 44+88×22 = = = = = = 99+65×34 89+78×46 48+63×91 = = = = = =

= = = 58+85×33 49+65×33 79+92×93 = = = = = = 39+83×55 89+56×61 88+38×49 = = = = = = 125+82×37 152+58×33 117+58×77 = = = = = = 196+55×31 198+12×89 137+22×88 = = = = = = 132+12×37 250+23×38 440+13×36 = = = = = = 199+25×89 819+49×90 418+57×67 = = = = = = 516+27×36 315+57×34 147+28×36 = = = = = = 518+18×47 419+29×54 128+28×19 = = = = = = 319+32×56 189+42×37 818+41×53 = = = = = =

小学三年级数学脱式计算100道(可直接打印)

脱式计算 824÷4×3 （601-246）÷5 201+232-365 36+87+64 (巧算) （59-187）÷3 1500-125×8 25×8×9 （601-246）÷5 99+136＋101（巧算）36.8-28+1.9 81-28.6+41.3 96-56.9+26.6 735-35×12 540÷(65-59) 789-13×45 22×4＋221 21×3＋410 40÷2＋174 300-73-27（巧算）7650-(546+4530) 65×9-450

1361＋972＋639＋28（巧算）9000-(4500+250) 6700+72÷8 12÷6＋45×3 8×(910-720) 760-540+1110 6500+1250-3500 1000-90-80-20-10（巧算）9450-3200-4200 (6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8 72÷8＋9×5 36÷4＋21×2 25÷5－16÷4 74.5+22.8-65.2 23.5-19.6+55.8 15.3-11.9+16.7 564+264-453 7650-(546+4530) 65×9-450

630 ÷ 9 + 320 2800+32×6 300÷6×9 (6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8 280×4 ÷5 60×8+1570 60×(23-17) (111＋189)×3 125×8÷100 6×250×0 (1＋7)×(16－6) 810×4÷4 33÷11＋4×9 88.1-77.7+11.6 75.6+12.8-29.4 78-66.6+14.3 (6900-2400)÷5 75÷15＋20×5 3090＋6×6 （250－150）÷(30÷6) 160－160÷80 750＋550÷5 (111＋189)×3 125×8÷100 6×250×0

小学三年级竖式、脱式计算练习题

小学三年级竖式、脱式计算练习题370÷7= 784-685= 76×15＝ 486÷2= 607÷5= 900-807= 915÷3= 560÷4= 458+542= 423÷3= 87×19= 362÷6= 525÷3＝ 254÷5＝ 192÷4＝ 602÷7＝ 839÷9＝ 726÷6＝ 51×16 ＝ 78×22＝ 416÷4＝ 823÷8＝ 63×43= 367÷4= 795÷5= 2×53= 79×97= 28×32＝ 54×25 ＝ 48×61＝ 39×42 ＝ 168÷8= 370÷5= 640÷7= 19×64= 470÷9= 522÷6= 312÷7= 570÷8= 810÷9= 660÷5= 804÷7= 462÷3＝ 780÷4＝ 729÷9＝ 624÷6＝ 2500+300＝ 156-97= 386+479= 321×12＝ 125×23＝ 18×250＝ 52×49= 34×54= 106×51＝48×34＝ 82×16= 45×93＝ 66×65=

55×18= 75×26= 816÷8＝ 25+32×23 52+18×12 17+34×19 = = = = = = 37+16×28 65+11×12 56+37×21 = = = = = = 61+12×23 43+21×23 45+32×55 = = = = = = 38+25×31 48+52×21 87+35×49 = = = = = = 99+46×97 44+81×33 31+98×76 = = = = = = 38+53×47 67+81×90 99+54×56 = = = = = = 56+56×76 190+18×11 41+51×87 = = = = = = 96+72×44 98+55×67 37+43×77 = = = = = = 32+58×86 25+67×22 44+88×22 = = = = = = 99+65×34 89+78×46 48+63×91 = = = = = =

三年级下册脱式计算题

三年级脱式计算题 ： 25+32×23 52+18×12 17+34×19 = = = = = = 37+16×28 65+11×12 56+37×21 = = = = = = 61+12×23 43+21×23 45+32×55 = = = = = = 38+25×31 48+52×21 87+35×49 = = = = = = 99+46×97 44+81×33 31+98×76 = = = = = = 38+53×47 67+81×90 99+54×56 = = = = = = 56+56×76 190+18×11 41+51×87 = = = = = =

= = = = = = 32+58×86 25+67×22 44+88×22 = = = = = = 99+65×34 89+78×46 48+63×91 = = = = = = 56+89×77 35+49×82 47+99×89 = = = = = = 58+85×33 49+65×33 79+92×93 = = = = = = 39+83×55 89+56×61 88+38×49 = = = = = = 125+82×37 152+58×33 117+58×77 = = = = = = 196+55×31 198+12×89 137+22×88 = = = = = = 132+12×37 250+23×38 440+13×36 = = = = = = 199+25×89 819+49×90 418+57×67 = = = = = =

= = = = = = 518+18×47 419+29×54 128+28×19 = = = = = = 319+32×56 189+42×37 818+41×53 = = = = = = 32+65×37 850+27×38 269+85×39 = = = = = = 215+35×47 652+78×36 107+29×64 = = = = = = 307+77×83 635+57×86 556+38×87 = = = = = = 671+92×23 493+18×67 465+85×34 = = = = = = 378+54×27 498+56×26 807+51×46 = = = = = = 909+37×35 414+58×47 731+59×67 = = = = = = 308+47×87 167+81×90 299+33×77 = = = = = =

三年级上册脱式计算题100道

264÷8＋456 640＋60×4 56÷7＋36÷6 500×(400－396) = = = = = = = = 72÷9－5 564+264－453 750-(546+30) 65×9-450 = = = = = = = = 9×80+980 6700+72÷8 14+9×5 900÷(71-68) = = = = = = = = 18-42÷6 12÷6＋45 8×(910-720) 760-540+110 = = = = = = = = 650+125-350 80×3+560 945-320-420 240÷6－25 = = = = = = = = 80×7－180 160÷2＋230 400 ÷8 + 350 320÷8＋64 = = = = = = = = 270 ÷3 +15 63 ÷9 + 320 280+32×6 30÷6×9 = = = = = = = = (690-240)÷5 （72÷9）+(56÷8) 54 ÷9×8 25×4 ÷5

360×8+150 60×(23-17) 22×4＋221 21×3＋410 = = = = = = = = 40÷2＋174 140＋72÷8 9×4＋420 2×80÷4 = = = = = = = = 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋87 = = = = = = = = 66×5+77 921+7×4 80×6×2 770÷7+65 = = = = = = = = 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 = = = = = = = = 600×8÷3 40＋100÷5 434＋25×5 60－12×3 = = = = = = = = 64÷8＋456= 640＋60×4 5×7－20 42÷7＋36 = = = = = = = = 37×4＋19 10×4－20÷4 15÷3＋10÷5 25÷5＋42÷6

【免费下载】三年级数学下册脱式计算题

9、396÷3÷2 25×8÷4 985-168÷4 648+480÷3 10、124-735÷7 （34＋22）÷8 45÷（15÷3） （601－246）÷5 11、205＋7×8 62- （25-7） 32×4＋72 305×3-15412、523+248-475 470÷5-28 459÷9×7 294＋399÷7 13、 264＋159＋47 892 －537＋469 763－386－363 72－70÷7－2914、 900－473－227 406＋369＋94 683＋258－383 359＋432－189、管路敷设技术顶层配置不规范问题，而且可保障各类管路习题到位。在管路敷设过程中，要加强看护关于管路高中资料试卷连接管口处理高中资料试卷弯扁度固定盒位置保护层防腐跨接地线弯曲半径标高等，要求技术交底。管线敷设技术中包含线槽、管架等多项方式，为解决高中语文电气课件中管壁薄、接口不严等问题，合理利用管线敷设技术。线缆敷设原则：在分线盒处，当不同电压回路交叉时，应采用金属隔板进行隔开处理；同一线槽内，强电回路须同时切断习题电源，线缆敷设完毕，要进行检查和检测处理。、电气课件中调试气设备进行空载与带负荷下高中资料试卷调控试验；对设备进行调整使其在正常工况下与过度工作下都可以正常工作；对于继电保护进行整核对定值，审核与校对图纸，编写复杂设备与装置高中资料试卷调试方案，编写重要设备高中资料试卷试验方案以及系统启动方案；对整套启动过程中高中资料试卷电气设备进行调试工作并且进行过关运行高中资料试卷技术指导。对于调试过程中高中资料试卷技术问题，作为调试人员，需要在事前掌握图纸资料、设备制造厂家出具高中资料试卷试验报告与相关技术资料，并且了解现场设备高中资料试卷布置情况与有关高中资料试卷电气系统接线等情况，然后根据规范与规程规定，制定设备调试高中资料试卷方案。、电气设备调试高中资料试卷技术在进行继电保护高中资料试卷总体配置时，需要在最大限度内来确保机组高中资料试卷安全，并且尽可能地缩小故障高中资料试卷破坏范围，或者对某些异常高中资料试卷工况进行自动处理，尤其要避免错误高中资料试卷保护装置动作，并且拒绝动作，来避免不必要高中资料试卷突然停机。因此，电力高中资料试卷保护装置调试技术，要求电力保护装置做到准确灵活。对于差动保护装置高中资料试卷调试技术是指发电机一变压器组在发生内部故障时，需要进行外部电源高中资料试卷切除从而采用高中资料试卷主要保护装置。

三年级数学下册脱式计算题300题

396÷3÷2 25×8÷4 985-168÷4 648+480÷3 124-735÷7（34＋22）÷8 45÷（15÷3）（601－246）÷5 205＋7×8 62-（25-7） 32×4＋72 305×3-154 523+248-475 470÷5-28 459÷9×7 294＋399÷7 264＋159＋47 892－537＋469 763－386－363 72－70÷7－29 900－473－227 406＋369＋94 683＋258－383 359＋432－189 81－81÷9 460＋177－177 698－245－155 456＋299＋81 542－128－272 853＋109－853 63×7＋540 550＋45×9 838－(138＋275） 96×4＋80 120＋800÷10 57×8－406 208＋342＋292 803－589＋111 99×2+3 235＋178＋165 615×3＋7 45×9－335 1000－487－513 8×37＋460

289＋578－189 329＋332＋171 836＋529－436 207×8－987 123＋377×2 1948＋539－648 406×7－669 438＋279＋362 200＋150×30÷5 650＋50×3－210 6012÷(200－194) ＋936 75＋360÷(20－5) 72－6×4÷3 75＋360÷20－5 (75＋360)÷(20－5) 12＋(40÷5×24) (5625＋3675)÷(15÷5) 681＋27×4÷2 23＋253×4 720÷(15－3×2) 3889－(108＋41)×5 (800＋200÷50)×3 45＋165÷3 960－40÷20－15 640÷(80－20×3) 44×12＋29 550÷110－15×4 368－35×11 （365－328）×（73－55）（4535－500）÷（782－777）632－48×12＋86 252÷6＋35×7 672÷(3×25－73) 48÷(2＋6)

小学三年级混合计算题(递等式112题)

三年级数学混合运算（递等式112道）430＋120÷4×7 531÷9－7×8 （15×40－360）÷8 600÷（96÷16＋6） 146＋25×17－120 （45×79－175）÷5 75＋240÷（20－15） 315－67×4 103×（50－40÷5） 125 ×8 ×7 75＋25× 4 （48 ＋52）÷20 22×4＋221 21×3＋410 40÷2＋174 147＋72÷8 9×4＋420 2×80÷4 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋877 66×5+774 921+7×4 80×6×2 770÷7+65 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 600×8÷3 40＋100÷5 434＋25×5

60－12×3 64÷8＋456 640＋60×4 5×7－48÷6 42÷7＋36÷6 37×4＋19×8 10×4－20÷4 15÷3＋10÷5 25÷5＋42÷6 35÷5＋8×7 72÷9－36÷6 21×4－54÷9 72÷8＋9×5 36÷4＋21×2 25÷5－16÷4 56÷7＋36÷6 500×(400－396) 72÷9－5 564+264-453 7650-(546+4530) 65×9-450 9×80+980 9000-(4500+250) 6700+72÷8 14×6+9×5 900÷(71-68) 180÷9-42÷6 12÷6＋45×3 8×(910-720) 760-540+1110 6500+1250-3500 80×30+5600 9450-3200-4200 2400÷6－45 800× 7－180 1600÷2＋230 4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9 630 ÷ 9 + 320 2800+32× 6 300÷6×9