问题
解答题
计算 (1)0-16+(-29)-(-7)-(+11) (2)-
(3)(
(4)-14-[-2+(1-0.2÷
(5)(+23)×
|
答案
(1)原式=-16-29+7-11
=-49;
(2)原式=3-24
=-21;
(3)原式=-12+2-25
=-35;
(4)原式=-1-[-2+
×(-3)]2 3
=-1-[-2-2]
=-1+4
=3;
(5)原式=(23-57-26)×1 4
=-15.