问题
解答题
计算题 (1)(-
(2)(
|
答案
(1)原式=10-7
=3;
(2)原式=(
)2-23
×3
+(2
)2+22
-6 2 4
=3-2
+2+26
-6 2 4
=5-
.2 4
计算题 (1)(-
(2)(
|
(1)原式=10-7
=3;
(2)原式=(
)2-23
×3
+(2
)2+22
-6 2 4
=3-2
+2+26
-6 2 4
=5-
.2 4