问题
解答题
计算 (1)(
(2)(-5+3)2÷
|
答案
(1)原式=
×24-1 6
×24-1 4
×241 12
=4-6-2
=-4;
(2)原式=(-2)2÷
-164 3
=4×
-163 4
=3-16
=-13.
计算 (1)(
(2)(-5+3)2÷
|
(1)原式=
×24-1 6
×24-1 4
×241 12
=4-6-2
=-4;
(2)原式=(-2)2÷
-164 3
=4×
-163 4
=3-16
=-13.