有理数计算题七年级 有理数计算题
1、 有理数加法
(-9)+(-13) (-12)+27 (-28)+(-34) 67+(-92) (-27.8)+43.9
(-23)+7+(-152)+65 |
+(-
)| (-
)+|―
|
38+(-22)+(+62)+(-78) (-8)+(-10)+2+(-1) (-
)+0+(+
)+(-
)+(-
...
七
有理数计算题
1、 有理数加法
(-9)+(-13) (-12)+27 (-28)+(-34) 67+(-92) (-27.8)+43.9
(-23)+7+(-152)+65 |
+(-
)| (-
)+|―
|
38+(-22)+(+62)+(-78) (-8)+(-10)+2+(-1) (-
)+0+(+
)+(-
)+(-
)
(-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)+(-3
)+2+(-
)+12 5
+(-5
)+4
+(-
) (-6.37)+(-3
)+6.37+2.75
2、 有理数减法
7-9 ―7―9 0-(-9) (-25)-(-13) 8.2―(―6.3)
(-3
)-5
(-12.5)-(-7.5) (-26)―(-12)―12―18 ―1―(-
)―(+
)
(-20)-(+5)-(-5)-(-12) (-23)―(-59)―(-3.5) |-32|―(-12)―72―(-5)
(-
)―(-
)―
(+
)―(-
)―(-
)―
(-
)―3―(-3.2)―7
(+
)―(-
)―
(+6.1)―(-4.3)―(-2.1)―5.1 (-
)―(-1
)―(-1
)―(+1.75)
(-3
)―(-2)
―(-1
)―(-1.75) -8
-5
+4
-3
-4
+
+(-
)―
0.5+(-
)-(-2.75)+
(+4.3)-(-4)+(-2.3)-(+4) (-0.5)-(-3
)+6.75-5
3、 有理数乘法
(-9)×
(-
)×(-0.26) (-2)×31×(-0.5)
×(-5)+
×(-13) (-4)×(-10)×0.5×(-3) (-
)×
×(-1.8)
(-0.25)×(-
)×4×(-7) (-
)×(-
)×(-
) (-8)×4×(-
)×(-0.75)
4×(-96)×(-0.25)×
(
-1
+
)×56 (
―
―
)×36
(-36)×(
+
-
) (-
)×(8-
-0.4) (-66)×〔1
-(-
)+(-
)〕
25×
-(-25)×
+25×
(
+
-
+
)×72
×(2
-
)×(-
)×(-
)
4、 有理数除法
18÷(-3) (-24)÷6 (-57)÷(-3) (-
)÷
(-42)÷(-6)
(+
)÷(-
) (-
)÷9 0.25÷(-
) -36÷(-1
)÷(-
) (-1)÷(-4)÷
3÷(-
)×(-
) 0÷[(-3
)×(-7)] -3÷(
-
) (-24
)÷(-6)
2÷(5-18)×
1
÷(-3)×(-
) -
×(-
)÷(-
) (
-
)÷(-
)
(
-
+
)÷(-
) -3.5 ×(
-0.5)×
÷
-1
÷(-1
)×1
×(-7)
×(-
-
)÷
÷(-2
)-
×
-
÷4 0.8×
+4.8×(-
)-2.2÷
+0.8×
五、有理数混合运算
(-
)×(-15×4)
(-2.4) 2÷(-
)×
÷(-5
)
[15
-(1
÷1
+3
]÷(-1
)
×(-5)÷(-
)×5 -(
-
+
-
)÷(-
)
-13×
-0.34×
+
×(-13)-
×0.34 8-(-25)÷(-5) (-13)×(-134)×
×(-
)
(-4
)-(-5
)+(-4
)-3
(-16-50+3
)÷(-2) (-0.5)-(-3
)+6.75-5
178-87.21+43
+53
-12.79 (-6)×(-4)+(-32)÷(-8)-3 -
-(-
)+|-1
|
(-9)×(-4)+ (-60)÷12 [(-
)-1
+
]÷(-
) -|-3|÷10-(-15)×
-1
×(
-
)÷2
(2
-3
+1
)÷(-1
)×(-7) -
×(8-2
-0.04)
-2×
-
-
-
-2×
÷
×
+
×
×
×
-
EMBED Equation.3 +
+
-
×
-
-
+
0-
÷3×
×
÷
-
×
-
÷
×(-
+1) ×0 6+
×
-10+8÷
-4×3
-
-
-(1-0.5)×
×
×
4×
+6
×
×
×
-
+2×
+(-6)÷
÷(-8)-
×(-
)
×(
)×
-2[
-3×
]÷
÷9÷
36×
-{
} -
+(1-0.5)×
×[2×
]
-4×
+
-
-
+
×
÷
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