问题
解答题
(1)3
(2)
(3)
(4)
(5)(
(6)
(7)(
(8)
|
答案
(1)原式=6
-202 2
=-14
;2
(2)原式=3
-23
+33 5
=
+33
;5
(3)原式=2
×3 6
=6
,2
(4)原式=4
-2 3 2
+2 2
=7 2
;2
(5)原式=7+2
-210 10
=7;
(6)原式=
×3 3
=3;
(7)原式=7-3-6
=-2;
(8)原式=
-4×6+76 6
=8
-24.6