问题 解答题
(-2)3+(1-0.5)2÷
1
3
×[5-(-3)2]
答案

(-2)3+(1-0.5)2÷

1
3
×[5-(-3)2]

=-8+0.52×3×[5-9]

=-8+0.25×3×(-4)

=-8-3

=-11.

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