问题
解答题
计算: (1)(
(2)(2
|
答案
(1)原式=2
-6
-2 2
-2 4
=6
-6 3 2 4
(2)原式=2
÷48
-36
÷27
=46
-2
=-9 2 2
.2 2
计算: (1)(
(2)(2
|
(1)原式=2
-6
-2 2
-2 4
=6
-6 3 2 4
(2)原式=2
÷48
-36
÷27
=46
-2
=-9 2 2
.2 2