题目内容
计算下列各题.
(1)-52-3×[32+2×(-3)]+5
(2)-32÷2
×(-
)2-(-22×
)×(-1)6
(3)(-3)2×[(-
)-
]-6÷(-
)×(-
)2+[-(
)2+1]×(-2)3 .
(1)-52-3×[32+2×(-3)]+5
(2)-32÷2
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 3 |
(3)(-3)2×[(-
| 1 |
| 3 |
| 4 |
| 9 |
| 2 |
| 3 |
| 1 |
| 3 |
| 3 |
| 2 |
(1)原式=-25-3×(9-6)+5=-25-9+5=-29;
(2)原式=-9×
×
-(-
)×1=-
+
=-
;
(3)原式=9×(-
)-6×(-
)×
+(-
+1)×(-8)=-7+1+10=4.
(2)原式=-9×
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 3 |
| 16 |
| 9 |
| 4 |
| 3 |
| 4 |
| 9 |
(3)原式=9×(-
| 7 |
| 9 |
| 3 |
| 2 |
| 1 |
| 9 |
| 9 |
| 4 |
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