七年级有理数计算题
一、有理数加法
(-9)+(-13)(-12)+27 (-28)+(-34)67+(-92)(-27.8)+43.9
(-23)+7+(-152)+65 |52+(-31)|(-52)+|―31|
38+(-22)+(+62)+(-78)(-8)+(-10)+2+(-1)(-32)+0+(+41)+(-61)+(-21)(-8)+47+18+(-27)(-5)+21+(-95)+29 (-8.25)+8.25+(-0.25)+(-5.75)+(-7.5)6+(-7)+(9)+2 72+65+(-105)+(-28)(-23)+|-63|+|-37|+(-77)
19+(-195)+47 (+18)+(-32)+(-16)+(+26)(-0.8)+(-1.2)+(-0.6)+(-2.4)(-8)+(-321)+2+(-21)+12 553+(-532)+452+(-31)(-6.37)+(-343)+6.37+2.75
二、有理数减法
7-9 ―7―9 0-(-9) (-25)-(-13) 8.2―(―6.3)
(-321)-541(-12.5)-(-7.5) (-26)―(-12)―12―18 ―1―(-21)―(+23) (-20)-(+5)-(-5)-(-12) (-23)―(-59)―(-3.5) |-32|―(-12)―72―(-5) (-41)―(-85)―81(+103)―(-74)―(-52)―710(-516)―3―(-3.2)―7
(+71)―(-72)―73 (+6.1)―(-4.3)―(-2.1)―5.1 (-32)―(-143)―(-132
)―(+1.75)
(-332
)―(-2)43
―(-132
)―(-1.75) -843
-597
+461
-392
-443
+61
+(-32
)―25
0.5+(-41
)-(-2.75)+21
(+4.3)-(-4)+(-2.3)-(+4) (-0.5)-(-341
)+6.75-521
三、 有理数乘法
(-9)×32
(-132
)×(-0.26) (-2)×31×(-0.5)
31×(-5)+31×(-13) (-4)×(-10)×0.5×(-3) (-83)×34
×(-1.8)
(-0.25)×(-74
)×4×(-7) (-73
)×(-54
)×(-127
) (-8)×4×(-21
)×(-0.75)
4×(-96)×(-0.25)×481
(74
-181
+143
)×56 (65
―43
―97
)×36
(-36)×(94
+65
-127
) (-43
)×(8-34
-0.4) (-66)×〔12221
-(-31
)+(-115
)〕
25×43
-(-25)×21
+25×41
(187
+43
-65
+97
)×72 31
×(2143
-72
)×(-58
)×(-165
)
四、 有理数除法
18÷(-3) (-24)÷6 (-57)÷(-3) (-53
)÷52
(-42)÷(-6)
(+215
)÷(-73
) (-139
)÷9 0.25÷(-81
) -36÷(-131
)÷(-32
) (-1)÷(-4)÷74
3÷(-76
)×(-97
) 0÷[(-341
)×(-7)] -3÷(31
-41
) (-2476
)÷(-6)
2÷(5-18)×181
131
÷(-3)×(-31
) -87
×(-143
)÷(-83
) (43
-87
)÷(-65
)
(29
-83
+43
)÷(-43
) -3.5 ×(61
-0.5)×73
÷21
-172
÷(-165
)×183
×(-7)
56×(-31-21)÷45 75÷(-252)-75×125-35÷4 0.8×112+4.8×(-72
)-2.2÷73+0.8×119
五、有理数混合运算
(-1275420361-+-)×(-15×4) ()??-73187(-2.4) 2÷(-7
3)×74÷(-571
)
[1521
-(141
÷152
+321
]÷(-181
) 51
×(-5)÷(-51
)×5 -(31
-211
+143
-72
)÷(-421
)
-13×32
-0.34×72
+31
×(-13)-75
×0.34 8-(-25)÷(-5) (-13)×(-134)×131
×(-671
)
(-487)-(-521)+(-441)-381 (-16-50+352)÷(-2) (-0.5)-(-341)+6.75-521
178-87.21+43212
+532119
-12.79 (-6)×(-4)+(-32)÷(-8)-3 -72
-(-21
)+|-121
|
(-9)×(-4)+ (-60)÷12 [(-149
)-175
+218
]÷(-421
) -|-3|÷10-(-15)×31
-153
×(327
-165
)÷221
(231
-321
+11817
)÷(-161
)×(-7) -43
×(8-231
-0.04)
-2×23 -2
2-()31- 43-34 31--2×()31- ()23-÷()24-
2-×()
2
2-
2
32
- +
()34- ()32-×()42-×()52- 2-×23-()232?-
()22-2-+()32-+32 22--3)3(-×()31--()31- -()[]21--+()2
1-
0-()2
3-÷3×
()32- 22-×()221-÷()38.0- -23×()231--()32-÷()2
21-
()243-×(-32+1) ×0 6+22×()51
- -10+8÷()22--4×3
-5
1-()()[]55.24.0-?- ()251--(1-0.5)×3
1 ()32-×()232-×()323-
4×()2
3-+6 ()
13
21-×8
3×
()122-×()731- -27+2×()23-+(-6)÷()2
31-
()42-÷(-8)-()32
1-×(-2
2) ()()[]222345----×(11
587÷)×
()47-
()22--2[()221--3×4
3]÷5
1 ()26-÷9÷()296÷- 36×()2
3121-
-{
()?
?
???
?-÷??
? ?
?-?+--)2(2114.0333} -4
1+(1-0.5)×3
1×[2×()23-]
-4×
()[]3671÷-+()[]()33235-÷-- -33-()[]1283--÷+()23-×()32-÷
25
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