问题
解答题
计算: (1)(
(2)-14+〔1-(1-0.5×2)〕÷|2-(-3)2|. |
答案
(1)原式=-28+30-27=-25;
(2)原式=-1+[1-(1-1)]÷|2-9|=-1+
=-1 7
.6 7
计算: (1)(
(2)-14+〔1-(1-0.5×2)〕÷|2-(-3)2|. |
(1)原式=-28+30-27=-25;
(2)原式=-1+[1-(1-1)]÷|2-9|=-1+
=-1 7
.6 7