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计算:(1)-14-16×[2-(-3)2];(2)(-1)4-(1-0.5)×13×[2-

2022-08-15 13:40:41 问答库 阅读 206 次

问题详情

计算:
(1)-14-1

6

×[2-(-3)2];
(2)(-1)4-(1-0.5)×1

3

×[2-(-2)2];
(3)(-2)2-22-|-1

4

|×(-1)2
(4)(-21

2

)×(-0.5)3×(-2)2×(-8).

参考答案

(1)-14-16×[2-(-3)2],
=-1-16×(2-9),
=-1+76,
=16;

(2)(-1)4-(1-0.5)×13×[2-(-2)2],
=1-12×13×(2-4),
=1+13,
=43;

(3)(-2)2-22-|-14|×(-1)2
=4-4-14×1,
=-14;

(4)(-212)×(-0.5)3×(-2)2×(-8),
=-52×(-18)×4×(-8),
=-52×18×4×8,
=-10.

考点: