问题
解答题
计算: (1)
(2)(
|
答案
(1)原式=3
-2
+2
-12
=3
-1;2
(2)原式=(4
-33
)÷3
+3
×2
×23 3
=
÷3
+3
×2×32
=1+6
.2
计算: (1)
(2)(
|
(1)原式=3
-2
+2
-12
=3
-1;2
(2)原式=(4
-33
)÷3
+3
×2
×23 3
=
÷3
+3
×2×32
=1+6
.2