题目内容
计算
(1)-32×1.22÷(-0.3)3+(-
)2×(-3)3÷(-1)25
(2)(-2)2-22-|-
|×(-10)2.
(1)-32×1.22÷(-0.3)3+(-
| 1 |
| 3 |
(2)(-2)2-22-|-
| 1 |
| 4 |
(1)-32×1.22÷(-0.3)3+(-
)2×(-3)3÷(-1)25
=-9×1.44÷(-0.027)+
×(-27)÷(-1)
=480+3
=483;
(2)(-2)2-22-|-
|×(-10)2
=4-4-
×100
=4-4-25
=-25.
| 1 |
| 3 |
=-9×1.44÷(-0.027)+
| 1 |
| 9 |
=480+3
=483;
(2)(-2)2-22-|-
| 1 |
| 4 |
=4-4-
| 1 |
| 4 |
=4-4-25
=-25.
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