题目内容
(1)(-
)÷(-
-
+
)
(2)(-999
)×(-25)
(3)12÷(-6)×
-(-3×2)2
(4)-32-|(-5)3|×(-
)2-18÷|-2|
(5)-14-(1-0.5)×
÷[-2-(-3)2]
(6)-53÷(-52)-(-8)2÷(-22)
| 1 |
| 12 |
| 2 |
| 3 |
| 5 |
| 6 |
| 11 |
| 12 |
(2)(-999
| 24 |
| 25 |
(3)12÷(-6)×
| 1 |
| 6 |
(4)-32-|(-5)3|×(-
| 2 |
| 5 |
(5)-14-(1-0.5)×
| 2 |
| 3 |
(6)-53÷(-52)-(-8)2÷(-22)
(1)原式=-
÷(-
)=
×
=
;
(2)原式=(-1000+
)×(-25)=25000-1=24999;
(3)原式=12×(-
)×
-36=-36
;
(4)原式=-9-125×
-18÷2=-9-100-9=-118;
(5)原式=-1-
×
÷(-2-9)=-1-
÷(-11)=-
;
(6)原式=-125÷(-25)-64÷(-4)=5+16=21.
| 1 |
| 12 |
| 7 |
| 12 |
| 1 |
| 12 |
| 12 |
| 7 |
| 1 |
| 7 |
(2)原式=(-1000+
| 1 |
| 25 |
(3)原式=12×(-
| 1 |
| 6 |
| 1 |
| 6 |
| 1 |
| 3 |
(4)原式=-9-125×
| 4 |
| 25 |
(5)原式=-1-
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 3 |
| 32 |
| 33 |
(6)原式=-125÷(-25)-64÷(-4)=5+16=21.
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