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五年级上册小数简便运算150题练习

五年级上册小数简便运算150题练习
五年级上册小数简便运算150题练习

73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×4

3.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52)

4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8

4.8×100.1 56.5×9.9+56.5 7.09×10.8-

0.8×7.09

4.02+

5.4+0.98 5.17-1.8-3.2 13.75-(3.75+

6.48) 3.68+

7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+

8.8

0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13)

4.2÷3.5 320÷1.25÷8 18.76×9.9+18.76

3.52÷2.5÷0.4

4.78÷0.2+3.44 3.9-4.1+6.1-

5.9

0.49÷1.4 1.25×2.5×32 3.6-0.6×2

3.65×10.1 3.6-3.6×0.8 15.2÷0.25÷4

5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2

0.89×100.1 146.5-(23+46.5) 17.8÷(1.78×4)

5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.7

4.36×12.5×8 1

5.6×13.1-15.6-15.6×2.1 0.65×101

27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×5.44 6048+975-3045 498×39

6048+75-3005 648×75-3005

6098+935-1045 404×24-758

1048+975-345 640×75÷35

878×29 68×975-345

9948+275-304 5690×6÷35

68+975-345 68+975÷345 648+75-35 685+975-345

68+975-345 548×975-3045

48×975-304 6748+975-5045 6048+975-3045 0.425×0,38÷0,01 20.5-1.074-8.35×5.5 748+95-45

48×975-3045 0.425×0,38÷0,01

20.5-1.074-8.35×5.552.8÷0.75×0.25

45×(267+143)(2448+864)÷23

327+9664÷32×25 727+9660÷30×25

586-45×81÷27 58-45×80÷25

3.68÷

4.6+6.32 368÷46+632

604×24-758 644×14-858 604×24-758 408×59

478×39 278×39 478×19

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 –2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 –3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 )9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 –5/6 15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 –14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 –3/4 × 9/24

20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 –1/5 × 21

简便:

1. 5/2 -( 3/2 + 4/5 )

2. 7/8 + ( 1/8 + 1/9 )

3. 5/6 + ( 1/2 + 2/3 )

4. 9/7 - ( 2/7 - 10/21 )

5. 3/7 + 49/9 + 4/7

6. 8/9 + 15/36 + 3/27

7. 5/2 - ( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9/7 - ( 2/7 - 10/21 )

10. 1/5 + ( 3/7 + 8/10 )

五年级小数计算题(200题)

五年级小数练习题 7.658×850.18×15 0.025×14 3.06×36 3.7×0.016 53×2.07 36.02×0.3 56.78×8 1.55÷3.9 16.9÷0.13 0.04×0.12 3.84× 2.6 1.89÷0.54 7.1÷0.25 2 2.78÷ 3.47×0.62 12.25÷0.5 73.5×0.1 1.64÷41 1.55÷3.9 7.564×0.89 0.15×2.34 0.48×350 7.94×0.98 56.2×4.98 36.9×21.3 1.96×8.5 80.4×0.35 6.25×1.04 0.056×0.15 12.5×4.8 4.2÷28 5.76×1.3 7.15×22 15.6×13 3.68×0.25 3.7×0.016 0.45×102 2.05÷0.82 6.509÷0.27 28.448÷14 32×6.07 28.448÷14 0.58×250 4.4×0.8-3.4×0.8 6-1.6÷4 3.2×(1.5+2.5)÷1.6 6.5×(4.8-1.2×4) 5.38+ 7.85-5.37 56-1.19×3-0.43 0.82×40×2. (0.8+8)×0.125 1.25×5×0.16 4.2×99+4.2 0.235×0.15×16 35÷(0.35×2) 0.52×0.4×0.05 0.92×2.4-0.42×2.4 (1.25+0.25)×4 2.95×101-2.95 4.6×0.35+4.6×0.65 2 3.4-0.8-13.4-7.2 63×10.1-63×0.1 3.14×1.9+31.4×0.81 7.3×10.2-1.46 12.96-(9.6-1.52) 3.6 ×3.6+1.4 ×3.6 2.7×1.5-2.7 0.25×0.8×0.125×0.4 0.4×12.5×(4.2-1.7) 45÷0.09÷0.5 56.5×99+56.5 (1.25-0.125)×8 17.8÷(1.78×4) 1.5÷(6.07+ 2.53)×0.5 4.05÷1.5÷0.03 1.92÷0.12-2.7 4.6+32.55÷9.3 0.84÷(0.3+0.4) 0.84×1.7÷0.07 3.9÷1.3÷5 20.9+10.5÷(5.2-3.5)(6+10.88÷3.2)×1.5 18.9-18.9÷1.4 15.4÷[8×(6.34-4.59)] 3.2×5.6-11.4 9.4-1.2÷0.6+6.24 3.76×0.25-0.49 35.6-5×1.7 73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×4 3.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52) 4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8

五年级上册小数简便计算100题

五年级上册小数简便计算100题练习 73.8-1.64-13.8-5.36 66.86-8.66-1.34 36.8-3.9-6.1 2 13.75-(3.75+6.48) 5.48-(9.4-0.52) 3.9- 4.1+6.1- 5.9 4.02+ 5.4+0.98 5.17-1.8-3.2 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 47.8-7.45+8.8 3.82+2.9+0.18+9.1 9.6+ 4.8-3.6 7.14-0.53-2.47 13.35-4.68+2.65 5.27+2.86-0.66+1.63 0.398+0.36+3.64 15.75+3.59-0.59+14.25 132-43.7-56.3

12.25-3.1+0.85-6.17 6.3+4.82+3.7-0.82 48.4+2.78+51.6-0.48 7.3+2.7-7.3+2.7 3.6-3.6×0.8 3.72×3.5+6.28×3.5 4.8×7.8+78×0.52 18.76×9.9+1.876 56.5×9.9+5.65 7.09×10.8-0.8×7.09 4.2×99+4.2 9.7×99+9.74 4.8-4.8×0.5 (1.25-0.125)×8 20.5-1.074-8.35×5.5 5.6×1.25 4.36×12.5×8 5.83×2+4.27 15.6×13.1-15.6-15.6×2.1 27.5×3.7-7.5×3.7 3.4×0.46+3.4×0.54 0.32×12.5×2.5

小学五年级数学带小数点计算题

①5.25×1.8 ②12.6÷2.8 ③17.48÷7.6 ④70.3-17.48 ⑤3.24×1.02 ⑥0.35÷1.4 ⑦1.28×0.45 ⑧1.45+18.5 ⑨26÷1.6 ⑩1.365÷0.35 ①7.6÷0.32 ②1.56÷0.13 ③36.8+1.56 ④108÷2.7 ⑤20.5×5.8

⑥5.8÷0.25 ⑦62.5×4.08 ⑧104.78÷26 ⑨79.5÷0.3 ⑩3.85÷2.5 ①6.48÷1.2 ②16.06÷5.5 ③4.5×1.8 ④6÷1.5 ⑤15.2÷0.37 ⑥62÷0.6 ⑦0.25÷1.8 ⑧124÷53(保2位) ⑨74÷0.014 ⑩58.5÷0.39

①0.246÷1.2 ②192÷1.2 ③394.8÷0.28 ④0.315÷0.18 ⑤21.05÷4.5 ⑥0.66÷0.3 ⑦0.9÷0.045 ⑧162÷8.1 ⑨52.5÷0.75 ⑩50.4÷0.014 ①27.3÷0.12 ②18÷0.54 ③9.6×40 ④17×10.2 ⑤25×0.18

⑥10.2×17 ⑦9.6÷40 ⑧6.42÷24 ⑨3.91÷0.17 ⑩0.492÷12 ①1.38×20 ②5.46÷1.5 ③5.06÷23 ④2.05÷0.82 ⑤3.95+33.6 ⑥22.78÷3.4 ⑦9.07+2.278 ⑧1.08×0.8 ⑨44.28÷4.1 ⑩71÷2.5

①7.28+13.2 ②32÷2.5 ③0.75×180 ④18÷0.15 ⑤0.23×4.5 ⑥2.07÷0.23 ⑦10.8÷45 ⑧19.76÷0.52 ⑨8.84÷0.17 ⑩21÷0.14 ①48÷0.6 ②0.96÷0.03 ③25.8÷6 ④22.8÷3 ⑤19.76÷5.2

五年级上册数学简便运算归纳总结

五年级上册数学简便运算归纳总结 一、运算定律和性质 1、加法交换律:a+b=b+a 2、加法结合律: (a+b)+c=a+(b+c) 3、乘法交换律: a ×b=b×a 4、乘法结合律:三个数相乘,先把前两个数相乘,再和最后一个数相乘,或先把后两个数相乘,再和第一个数相乘,积不变. (a×b)×c=a×(b×c) 5、乘法分配律:(a+b)×c=a×c + b×c (a-b)×c=a×c-b×c 6、减法性质:从一个数里连续减去两个数,我们可以减去两个减数的和,或者交换两个减数的位置。a-b-c=a-(b+c) a-b-c=a-c-b 7、除法性质:从一个数里连续除数两个数,我们可以除以两个除数的积,或者交换两个除数的位置。 a÷b÷c=a÷(b×c) a÷b÷c=a÷c÷b 8、去括号: 括号前是加号的,去掉括号后,括号内的符号不变号;括号前是减号的,去掉括号后,括号内的符号要变号。a+(b-c)=a+b-c a-(b-c)=a-b+c 二、五年级小数乘法简便运算归类复习 1、运用加法结合律进行简算(a+b)+c=a+(b+c) 例1、5.76+13.67+4.24+6.33 =(5.76+4.24)+(13.67+6.33) =10+10

=20 例2、37.24+23.79-17.24 =37.24-17.24+23.79 =20+23.79 =43.79 2、运用乘法结合律进行简算:(a×b)×c=a×(b×c) 这种题型往往含特殊数字之间相乘如:25×4=100 125×8=1000 遇到25或者125要看看另外一个因数能不能拆出4或者8来 例1、4×3.78×0.25 =4×0.25×3.78 =1×3.78 =3.78 例2、125×246×0.8 =125×0.8×246 =100×246 =24600 例3、1.25×2.5×32 =1.25×32×2.5 =1.25×8×4×2.5 =(1.25×8)×(4×2.5) =10×10 =100

五年级小数口算题(1000题)

日期_______________________ 日期_______________________

日期_____________ __________

3.4-1.4= 7.82-7.2= 2.19+9.1= 10.1-0.89= 0.68+0.42= 8.1-5.1= 0.728-0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52= 5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10= 75÷10= 0.96÷0.8= 0.8×7= 1.5×7= 1.32×8= 0.7×8=10.3×2=5×0.6= 0.9×0.3= 3.5×0.2= 2.01×0= 10×0.05=0.13×7=0.21×100= 0.7×4=0.05×4=4×0.3= 12.5×8= 2.3×4= 3.25×0= 0.4×50=30×0.1= 2.6×3= 4.1×2=0.35×0.2=7.5×0.1= 1-0.08= 3.5×0.01= 1.25÷0.25= 0×9.8= 3.9+0.39= 4.8+5.2= 0.5×0.4 =4÷0.25=3÷4= 8.1÷9= 2.5×4=6-0.025= 3.6+6.3=0.05×4= 3.5×0= 0÷3.5=0.9×0.3=1×0.06= 9×0.5= 1.25×8= 2.6×3= 4.1×2=0.35×0.2=7.5×0.1= 0.9×0.3=1×0.06=9×0.5= 1.25×8=0.2×0.4=8.2+1.8= 100-35.22= 2.5×0.4= 2.4×5= 0.22×4=0.9-0.52= 3.99×1= 0×3.52= 2.5÷5=8.4÷7= 0.34÷17= 2.5÷0.5=8.4÷0.7= 0.34÷0.17=30.4÷4= 1.2×6= 0.72÷0.6= 2.6÷1.3=0.6×0.3= 0÷3.65=7.82÷1 =0.001÷0.1=1.4÷0.7= 3.6÷0.06= 5.6÷0.9= 5.6÷1.4=0.48÷0.8= 4.4÷0.11=

(完整版)小学五年级小数计算题

1、用竖式计算 0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15= 0.025×14= 3.06×36= 0.04×0.12= 3.84×2.6≈ 5.76×3= (保留一位小数) 7.15×22= 90.75÷3.3= 3.68×0.25= 16.9÷0.13= 1.55÷3.9 = 3.7×0.016= 13.76×0.8= 5.2×0.6 = 8.4×1.3 = 6.4×0.5= 4.48×0.4 = 5.25×5 = 35.4×4.2= 0.042×0.54= 0.76×0.32= 0.25×0.046= 2.52×3.4 = 1.08×25 =

0.12×1. 6= 4.8×0.25=0.125×1.4≈(保留两位小数) 2.5÷0.7= 10.1÷ 3.3= 0.43×0.28= (保留三位小数)(商用循环小数) 10.75÷12.5= 3.25×9.04= (用乘法验算)(用除法验算) 0.43×0.28= 6.45×0.73= 4.6×0.6= 8.9×0.05= 3.08×0.43= 1.5×26.7= 5.22÷29= 18.72÷3.6= 13.95÷3.1= 7.15×22= 90.75÷3.3 = 3.68×0.25= 2、脱式计算(能简算的要简算) 2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9

7.28×99+7.28 4.3×50×0.2 64-2.64×0.5 26×15.7+15.7×24 (2.275 +0.625)×0.28 3.94+3 4.3×0.2 1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46 8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09 4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101

五年级小数简便运算练习

五年级小数简便运算练习 一、口算 24×5=100-23.56= 1.5×0.4=0.8×50=32×25=8×125=1-0.48= 2.65×1=0.2×500= 2.5×4=12×16+8×16= 二、运用运算定律填空。 4.8+8.63+ 5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+ 3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55 3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403 3.2+0.36+ 4.8+1.64 1.23+3.4-0.23+6.6 0.25×36 12.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×4

7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4 1.28×8.6+0.72×8.6 1 2.5×0.96×0.8 10.4-9.6×0.35 0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.6 (4.23+6.17)×0.8 0.86×15.7-0.86×14.7 2.4×102 14-7.32-2.68 2.64+8.67+7.36+11.33 2.31×1.2×0.5 4.02+ 5.4+0.98 5.17-1.8-3.2 13.75-(3.75+ 6.48) 3.68+ 7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13) 73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×4

五年级上册简便运算

五年级上册简便运算 0.25×4×4.78 0.65×201 4.8×0.25 2.33×0.5×4 1.5×105 1.2× 2.5+0.8×2.5 0.034×0.6+0.066×0.6 0.5×1.25×2×8×11 3.2×2.5 104×2.5 1.25×(4-0.8)100.1×99+100.1 63×0.1 485×10.2-48.5 2.69×99 2.5×32×12.5 1.58-99 273-27-73 284-68-84 487-187-139-61 1034+78+320+102 308+176+92 125×32×25 25×12 125×72 3200÷4÷25 103×12 17×32-17×22 98×17+2×17 (200+4)×25 2100÷14 250×12÷50 25×18×4 17.8÷(1.78×4) 102×0.45 0.49÷1.4 1.25×2.5×32 66.86-8.66-1.34 3.6×102 15.6×13.1-15.6-5.6×2.1 4.8×100.1 25.48-(9.4-0.52) 18.76×9.9+18.76 17.8÷(1.78×4) 15.2÷0.25÷4 3.83× 4.56+3.83× 5.44 27.5×3.7-7.5×3.7 (45.9-32.7)÷8÷0.125 7.2×0.2+2.4×1.4 3.9×2.7+3.9×7.3 0.25×16.2×4 3.72×3.5+6.28×3.5 4.8×7.8+78×0.52 56.5×9.9+56.5 4.2÷3.5

3.52÷2.5÷0.4 9.6÷0.8÷0.4 0.89×100.1 4.36×12.5×8 8.54÷2.5÷0.4 3.14×0.68+31.4×0.032 8.9×1.01 1.25×2.5×32 (1.25-0.125)×8 36.8-3.9-6.1 32+4.9-0.9 7.09×10.8-0.8×7.09 320÷1.25÷8 3.9- 4.1+6.1- 5.9 4.2×99+4.2 14 6.5-(23+46.5) 9.7×99+9.7 0.65×101 5.6÷1.25÷0.8÷2.5÷0.4 7.74×(2.8-1.3)+1.5×2.26 12.7×9.9+1.27 2.31×1.2×0.5 21×(9.3-3.7)-5.6 2.3×16+2.3×23+2.3 28.6×101-28.6 46×57+23×86 101×0.87-0.91×87 3.2+0.36+4.8+1.64 12.7-(3.7+0.84)7.6×0.8+0.2×7.6 1.28×8.6+0.72×8.6 0.8×(4.3×1.25)0.86×15.7-0.86×14.7 15.02-6.8-1.02 9.43-(6.28-1.57)13.7×0.25-3.7÷4 10.7×16.1-15.1×10.7 1.23+3.4-0.23+6.6 36.54-1.76-4.54 0.85×199 12.5×0.96×0.8 3.12+3.12×99 2.4×102 5.4×11-5.4 3.65× 4.7-36.5×0.37 2.22×9.9+6.66×6.7 0.79×199 0.25×36 0.25×0.73×4 0.25×8.5×4 10.4-9.6×0.35

(完整版)五年级小数点计算题

1、直接写出得数。 0.45×2.5=0.8×1.25=0.3×3.6=0.3×0.3=10×0.07=0.3×1.4=0.05×7=0.92×0.4=0.2×0.26=0.14×4=0.02×0.1= 1.2×0.3=0.2×0.4=8.2+1.8=100-35.22=2.3×4= 2.5×0.4= 2.4×5=0.22×4= 3.25×0= 0.9-0.52= 3.99×1=0×3.52=12.5×8=1÷0.5= 8÷10 = 10-1.8-7.2= 0.43+3.57= 2.5×4×12= 1.05×100= 0.9×0.8= 0.96÷3= 1.47÷0.7= 5.4÷6= 4÷0.8 = 0.16.5×10= 0.56×100= 3.78×100= 3.215×100= 0.8×10= 4.08×100= 1.1×0.2 = 0.6×0.8 = 3×0.9= 2.5×0.4= 3.6×0.4= 12.5×8= 50×0.04= 80×0.3 = 1.1×9= 0.16×5 = 1.78+2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 = 2.5×0.4 = 12-3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 = 4.2÷3.5= 1.6+2.4×0.3 = 2.14-0.9=27+456+73= 0.3×0.3= 7.2+2.8=0.9÷0.01=12÷0.3= 2.87÷0.7=13÷4=0.96÷0.3= 1.5×0.4=7÷0.25= 2.5×0.7×0.8= 8-2.5=16÷1.6= 5.6×1.01= 8×(2.5+0.25)=0.36+0.64=64.32÷16=72.8÷0.8=8.4÷4.2=13.8+9.9= 2.4×2.5=0.05×0.8=1.25×0.8×0.5=12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3=19.6÷2=8.8÷2.2= 0.75×4=(1.5+0.25)×4=0.5×0.8= 8.4×0.2= 1.6×0.2=7.2×0.3= 2.8×0.3=0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100= 2.2÷0.11= 5.46+4.54= 12.5×0.8= 0.35×0.3= 1.4×5= 2.8×4= 19.6÷4= 22.5×4= 2、用竖式计算 0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15= 0.025×14= 3.06×36= 0.04×0.12= 3.84×2.6≈ 5.76×3= (保留一位小数) 7.15×22 90.75÷3.3 3.68×0.2

五年级小数、分数简便运算练习题

五年级小数、分数简便运算练习题 5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.7 4.36×12.5×8 1 5.6×13.1-15.6-15.6×2.1 0.65×101 27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×5.44 52.8÷0.4÷0.25 586-45×81÷27 0.25×16.2×4 3.72×3.5+6.28×3.5 3.6×102 4.8×7.8+78×0.52 6.4×0.25+3.6×0.25 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09

320÷1.25÷8 18.76×9.9+18.76 3.52÷2.5÷0.4 .25×2.5×32 3.65×10.1 3.6-3.6×0.8 15.2÷0.25÷4 4.2×99+4.2 0.89×100.1 一、竖式计算。 1、(得数保留一位小数) (1)0.38×0.23 (2)5.79×3.6 (3)4.6×0.25 (4)6÷24 (5)52.95÷75 (6)3.01÷7 (7)4.95÷11 (8)84.01÷31(用乘法验算)(9)0.646÷19

2、(除不尽的保留两位小数) (11)3÷1.2 (12)2.7÷0.36 (13)88.4÷1.7 (14)7.525÷0.38 (15)4÷15 (16)91.2÷0.57 (17)84.84÷1.2 (18)5.63÷6.1 (19)56÷77 (20)1.47÷4.2 (21)19.19÷0.95 (22)56.29÷6.1 (23)23÷33 (24)7.41÷0.57 (25)21÷240 (26)9.68÷16 (27)3.85÷0.76 (28)53.3÷4.7 (29)56.29÷6.1 (30)28.74÷31

五年级上册小数简便运算150道经典练习题

73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×4 3.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52) 4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 4.02+ 5.4+0.98 5.17-1.8-3.2 13.75-(3.75+ 6.48) 3.68+ 7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+ 8.8

0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13) 4.2÷3.5 320÷1.25÷8 18.76×9.9+18.76 3.52÷2.5÷0.4 4.78÷0.2+3.44 3.9-4.1+6.1-5.9 0.49÷1.4 1.25×2.5×32 3.6-0.6×2 3.65×10.1 3.6-3.6×0.8 15.2÷0.25÷4 5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2 0.89×100.1 146.5-(23+46.5) 17.8÷(1.78×4) 5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.7 4.36×12.5×8 1 5.6×13.1-15.6-15.6×2.1 0.65×101

小学五年级数学计算题大全

25-5x =15 79y +y =80 42x +28x =140 80+5x =100 7x -8=6 5x +35=100 53x -90=16 2x +9x =132 18y -8=100 6x -45=9x -81 3x -1=8 5x +35x =100 7x +5、3=7、4 30÷x +25=85 1、4×8-2x =6 7(x -2) =2x +3 18×(x -2) =270 12x =300-4x 5 3 x +2、4x =6 3、5:x =5、4:2 6×3-1、8x =7、2 1、8x -x = 2、4 x 10=8 .05.2 17-5x =2、4+5 1 3 4x =5 2.1 x - 41x =8 3 x - 41=8 3

12、6× 65 -2x =8 53×21-x =5 1 3 2 x +50%=42 4x -13=31 4、5+8x =2 127 2x +4、3×3=2 114 x ×(1- 83)=3 21 1、6:x = 52:10 3 3x -16×3=102 4x +7、1=12、5 0、3x -2=9、1 131-x =89、2 3 1 :0、25=80%:x 43-21x =5 1 43x -21x =5 1 (900-x):(700-x)=3:2 x: 4 3 =12、3 43:5 3 =x:12 x - 72x =4 3 70%x + 5 1 x =3、6 25%+10x = 5 3 5x - 215×3=7 5 3x ÷ 4 1 =12 2×(x -2、6) =8 3475-1999 248+198 2843-598 724-298

五年级小数简便运算

一、课堂练习 1.乘法结合律 0.125×3.69×8 (5.23+5.23+5.23+5.23) ×25 12.5×0.96×0.8 0.8×(4.3×1.25)0.25×8.5×4 0.25×1.25×0.67×32 · 2.乘法分配律(a+b)c=ac+bc (2.5-0.25) ×4 0.85×199 0.63×199 8.59×101 9.3×10.1 12×19.8 15×9.7 ~ 3.乘法分配律ac+bc=(a+b)c 一般型 0.36×15.7-0.36×13.7 5.64×1.28+8.72×5.64 0.99×0.81+0.11×9×0.19

积不变型 } 8.63×25-0.063×250 2.49×3.8+0.249×62 添加x1型特殊型 4.37+99×4.37 10.1×38.67-3.867 2.5×(4+8) ×12.5 除变乘型连减与乘法混合型| 7.73×0.5+2.27÷2 33.41÷4-3.41×0.25 54.8-0.3×0.3-3.91 4.小数除法简便运算 被除数除数同时除以一个数型 60÷48 9.9÷5.5 > 连除变除以两个数的积型分配被除数型 3.99÷0.125÷8 (6.4+48) ÷0.8

二、课后练习 0.25×8×2.12 (12.5-1.25)×8 5.7×18.34-57×0.834 $ 3.87× 4.12+ 5.88×3.87 8.8÷5.5 0.88×0.78+0.11×0.22×0.8 4.34×0.25+0.25× 5.56+0.025 5.64+99×5.64 5.2×20.1 - 3.7×1.63-0.37×15.3 2.5×( 4.21+4.21+8.42) 3.25×199 1.25×1.86×32×0.25 (7.2+54) ÷0.9 2.73×0.125+7.27÷8 56.34÷2-6.34×0.5 11.43÷0.8÷12.5 21.56-0.4×0.4-3.84

(完整版)五年级上册数学简便计算

面各题怎样算简便就怎样算 6.9+4.8+3.1 1.25 X 2.5 X32 0.456+6.22+3.78 15.89+(6.75—5.89) 4.02+ 5.4+0.98 5.17—1.8—3.2 13.75—(3.75+ 6.48) 3.68+7.56—2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8 -1.64-13.8-5.36 47.8—7.45+8.80.398+0.36+3.6415.75+3.53 0.59+14.25 0.25 X 16.2 X 4 66.86—8.66—1.34 3.72 X3+.56.28 X3.5 (1.25—0.125) X8 3.6 X102 36.8—3.9—6.1 15.6 X13—.115.6— 15.6 X2.1 4.8 X7+.878X0.52 32+4.9—0.9 4.8 X100.1 56.5 X9+.956.5 7.09 X10—.80.8 X7.09 2 5.48— (9.4—0.52) 18.76 X9+.918.76 3.9— 4.1+6.1— 5.9 3.65 X10.1 0.89 X100.1 146.5—(23+46.5) 3.83 X 4.5+63.83 X 5.44 4.36 X12.5 X8 9.7 X9+99.7 27.5 X3—.7 7.5 X3.7 8.9 X1.01 7.74 X(2.8—1.3)+1.5 X2.26 3.9 X2+.73.9 X7.3 12.7 X9+.91.2721 X(9.3—3.7)—5.6 15.02-6.8-1.02 5.4 X11-5.4 2.3 X16+2.3 X23+2.3

小学五年级数学小数点乘除法计算练习题合集完整版

小学五年级数学小数点乘除法计算练习题合集 HEN system office room 【HEN16H-HENS2AHENS8Q8-HENH1688】

小学五年级数学上期计算练习题集 列竖式计算 -= -= 3-= += -= 36×99= ÷= ÷3= ÷= ÷= ÷ 7= 32÷42= ÷13= ÷= += ×= ÷= ÷= ×13= ×15= ×14= ×36= ×= ×3=×22= ÷= ×= ÷= ÷= ×= ×= ×= ×= ×= ×= ×= ×= ×= ×25= ×=÷= ÷= × = ×= ×= ×= ×= ×= ÷29= ÷= ÷= ÷= ÷= ÷= ÷= ÷= ÷12= ÷= ÷= ÷= 21÷= ÷= ÷= ÷= ÷= ÷= ÷= ÷= ÷= ÷= ÷= ÷ = ÷= ÷= ÷= ÷= ÷6= ÷15= ÷12= 24÷15= ÷12= ÷14= 72÷15= ÷7= ÷18= ÷29= ÷27= ÷15= ÷11= ÷24= ÷52= ÷12= 328÷16= ÷27= ÷= ÷= ×= ×= ×= ÷29= ÷=×= ×= ×25= ×=5×= ×=×=×=×=×=×=×55=×=×= ×83=×61=×=×=57×=×=×=×= ×= ÷ = 脱式计算(能简便的就简便运算) ×4×12 63+124+76 27+456+73 ×4×12 ×××72 ×101 ×--×× 12-- ++ 75×25×4 250 -250÷5 70+50÷50+70 +++ ×101 ××××8 -- 72×101-72 235×28-35×28 ×78+78× 8×+××(+×4 ×× ×99+ ×50× 102×45-328 ×+= 300-4263÷21 ÷+ 403÷13×27 (25+4)×4 (+ × 1025-768÷32 645-45×12 +× 401× 19+284 640+128×45 ×8÷×0+ ××4 ×99+ ×50×- ×8 ××99+ +÷ 三.解方程 5×3-x÷2=8 ÷x= = x÷=90 9x-40=5 x÷5+9=21 48-27+5x=31 +x+21=56 x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4(x+6)=× 4= 7+x)= = x+= = 91÷x = 80x-90=70 78x+2x=160 88-x=80 9-4x=1 7x-8=6 65x+35=100 19x+x=40 25-5x=15 56x-50x=30 78 -5x=28 32x-29=3 28+6X=88 32-22X=10 24-3X=3 3X+5X=48 14X-8X=12 9-x= -x= 87-x=22 66-x= 77-x= 99-x= 56÷x=5 39÷x=3 15÷(x+= 12x+8x=40 12x-8x=40 3X+5X=48 14X-8X=12 (x-2)÷3=7 x÷5+9=21 (200-x)÷5=30 48-27+5x=31 3x-8=16 3x+9=27 +7x= 3x÷5= = -3x=18 5×= 24x+6x= ÷×= ×(15 ÷ = +×99= ×185×40= ××=

五年级上册小数简便运算总结

小数简便运算 (一) 类型一:小数加减法【加法交换律的应用。一般情况下,先观察数字,可以把有些数字先加起来,凑成整数,然后再和其他数字相加】 例:1.64+5.7+8.36+4.3 =(1.64+8.36)+(5.7+4.3) =10+10 =20 3.2+0.36+4.8+1.64 0.456+6.22+3.78 6.9+4.8+3.1 1.29+3.7+2.71+6.3 0.398+0.36+3.64 4.02+5.4+0.98 3.82+2.9+0.18+9.1 1.27+3.9+0.73+16.1 1.57+0.245+7.43 2.64+8.67+7.36+11.33 0.134+2.66+0.866 1.76+0.195+3.24 (二) 类型二:减法性质的应用【a-b-c=a-(b+c)】 根据性质观察题目,把后两个数字加起来带上括号, 先算括号里面的加法,一般情况下都能加成整数。 例:35.6-1.8-15.6-7.2 =35.6-15.6-(1.8+7.2) =20-9 =11 23.4-0.8-13.4-7.2 15.02-6.8-1.02 8-2.45-1.55 13.75-(3.75+6.48) 15.89+(6.75-5.89) 12.7-(3.7+0.84) 73.8-1.64-13.8-5.36 7.14-0.53-2.47 5.17-1.8-3.2 66.86-8.66-1.34 36.8-3.9-6.1 【在加减混合运算的简便运算中,可以先观察题目,会发现有的可以交换位置,进过加减变成整数的加减。】 例:3.25+1.79-0.59+1.75 =3.25+1.75+(1.79-0.59)(交换数字位置, =5-1.2 符号不变,用1.79先减0.59,把3.25 =3.8 和1.75加起来。得整数5,再减) 1.23+3.4-0.23+6.6 7.5+4.9-6.5 7.85+2.34-0.85+4.66 13.35-4.68+2.65 9.6+4.8-3.6 5.27+2.86-0.66+1.63 3.68+7.56-2.68 47.8-7.45+8.8 小数乘法简便运算 乘法交换律的应用(首先观察题目,题目中会出现, 25,2.5,0.25等和25相关的数字,这些数字要和4相关的数字结合。出现125,12.5,1.25等数字,要和与8相关的数字结合。) 例: 0.25×16.2×4 0.8×(4.3×1.25) =0.25×4×16.2 =0.8×1.25×4.3 =1×16.2 =1×4.3 =16.2 =4.3 4.36×12.5×8 0.25×0.73×4 12.5×0.96×0.8 0.25×8.5×4 25×7.1×4 12.9×25×4 12.5×0.69×8 35×0.2×0.5 0.75×50×0.4 1.25×5.93×80 0.35×(1.25×2)×0.8 0.25×0.73×4 乘法交换律的应用(2)【乘法交换律,有时候不能一 次就交换出来,先观察题目,题目中出现25,2.5,0.25 等和25相关的数字,出现125,12.5,1.25等数字,就 要想到4和8,看题目中剩下的数字是不是能写成与4 和8相关的数字。】比如,32可以写成4乘8,3.2可以 写成0.8×4,16可以写成2乘8.125×8=1000,25×

小学数学上册五年级简便运算方法

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3.5×6.3 0.72×1.5 2.05×0.4 12.4×27 2.3×12 6.7×0.3 2.4×6.2 0.56×0.24 6.7×0.3 0.56×0.04 3.7× 4.6 0.29×0.37 6.5×8.4 56×1.3 3.2×2.5 2.6×1.08 0.87×7 3.5×16 12.5×42 1.8×23 0.37×0.41 1.06×25 7×8.06 0.6×0.39

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五年级小数简便计算练习题×+× ×+78× 32+- × ++ +- +++ +-+ ++ ×+÷ ×.09×-×---- ÷÷÷ ×+ ÷÷ ÷ × ÷ × ×2+ ××8 ×-× ××-×-×0. ÷÷÷÷ ÷8÷ .54÷÷ 6048+975-304498×39

6048+75-3005 6098+935-1045 1048+975-345 878×29 9948+275-304 68+975-345 648×75-3005 404×24-758 640×75÷35 68×975-345 5690×6÷35 68+975÷345 648+75-385+975-345 68+975-345 48×975-304 6048+975-3045 48×975-3045 548×975-3045 6748+975-5045 ×0,38÷0,01

748+95-45 ×0,38÷0,01 ÷× 45× ÷23 327+9664÷32×25 586-45×81÷27 ÷+ 604×24-758 604×24-758 478×378×39 478×19 727+9660÷30×25 58-45×80÷25 368÷46+632 644×14-8508×59 五年级小数简便运算练习 一、口算。24×5=100-=×=×50=2×25= 8×125= 1-=.65×1=×500=.5×4=12×16+8×16= 二、运用运算定律填空。 +++ ++ +++

++ .5+- -- +-+ +++ --- ×+× ×+× ×+××101- ×0. ×-×14..4×102 14-- ++ +- +++ .6+- +-+ ++ --- ×+× ×+78× 32+- × ÷÷÷×+ ÷÷

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