题目内容
计算下列各题:
(1)-9-3+5
(2)-
+
(3)(
-
-
)×60
(4)-32×|-
|-42÷(-2)4.
(1)-9-3+5
(2)-
| 16 |
| 3 | 64 |
(3)(
| 3 |
| 4 |
| 7 |
| 12 |
| 7 |
| 6 |
(4)-32×|-
| 2 |
| 9 |
(1)原式=-12+5=-7;
(2)原式=-4+4=0;
(3)原式=
×60-
×60-
×60=45-35-70=-60;
(4)原式=-9×
-16÷16=-2-1=-3.
(2)原式=-4+4=0;
(3)原式=
| 3 |
| 4 |
| 7 |
| 12 |
| 7 |
| 6 |
(4)原式=-9×
| 2 |
| 9 |
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