问题
解答题
计算: (1)(
(2)
(3)(
|
答案
(1)原式=(2
+103
)•2 3
=6+10
;6
(2)原式=3
-42
+2 2
=0;
(3)原式=(
)2-(5
)23
=5-3
=2.
计算: (1)(
(2)
(3)(
|
(1)原式=(2
+103
)•2 3
=6+10
;6
(2)原式=3
-42
+2 2
=0;
(3)原式=(
)2-(5
)23
=5-3
=2.