问题
解答题
计算: (1)(
(2)-14-
|
答案
(1)原式=-
×24+3 4
×24-7 8
×245 12
=-18+21-10
=-7;
(2)原式=-1-
×(2+16)=-1-3=-4.1 6
计算: (1)(
(2)-14-
|
(1)原式=-
×24+3 4
×24-7 8
×245 12
=-18+21-10
=-7;
(2)原式=-1-
×(2+16)=-1-3=-4.1 6