题目内容
计算题:
(1)(1﹣
+
)×(﹣48)
(2)﹣12﹣(﹣10)÷
×2+(﹣4)3
(3)|﹣
|÷|
﹣
|﹣
×(﹣4)2
(4)﹣1﹣[2﹣(1﹣
×0.5)]×[32﹣(﹣2)2]
(1)(1﹣
(2)﹣12﹣(﹣10)÷
(3)|﹣
(4)﹣1﹣[2﹣(1﹣
解:
(1)原式=1×(﹣48)﹣
×(﹣48)+
×(﹣48)
=﹣48+8﹣36
=﹣76;
(2)原式=﹣1+40﹣64
=﹣25;
(3)原式=
÷
﹣
=
×
﹣
=
;
(4)原式=﹣1﹣(2﹣
)×5
=﹣1﹣10+
=
.
(1)原式=1×(﹣48)﹣
=﹣48+8﹣36
=﹣76;
(2)原式=﹣1+40﹣64
=﹣25;
(3)原式=
=
=
(4)原式=﹣1﹣(2﹣
=﹣1﹣10+
=
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