问题
解答题
(1)
(2)
(3)
|
答案
(1)原式=
-5=12×3
-5=6-5=1;36
(2)原式
=6×3 2
=18 2
=18 2
=3;9
(3)原式=5
-3
+3 9
=(5-3
+1)1 9
=3 53 9
.3
(1)
(2)
(3)
|
(1)原式=
-5=12×3
-5=6-5=1;36
(2)原式
=6×3 2
=18 2
=18 2
=3;9
(3)原式=5
-3
+3 9
=(5-3
+1)1 9
=3 53 9
.3