问题
解答题
计算: (1)
(2)
|
答案
(1)原式=3
-(2+3
)+13
=3
-2-3
+13
=2
-1;3
(2)原式=2
×(53
+3
-43
)3
=2
×23
=12.3
计算: (1)
(2)
|
(1)原式=3
-(2+3
)+13
=3
-2-3
+13
=2
-1;3
(2)原式=2
×(53
+3
-43
)3
=2
×23
=12.3