问题
解答题
计算题: (1)(3-2
(2)
(3)2
(4)(
|
答案
(1)原式=9-8=1;
(2)原式=
=3;2
×3
×3 2 2 2
(3)原式=4
×3 1 4
+3
×3 3
=3+1 5 2
;6 30
(4)原式=3-2×
×3
+2 3
=3-4+4 3
=4 3
.1 3
计算题: (1)(3-2
(2)
(3)2
(4)(
|
(1)原式=9-8=1;
(2)原式=
=3;2
×3
×3 2 2 2
(3)原式=4
×3 1 4
+3
×3 3
=3+1 5 2
;6 30
(4)原式=3-2×
×3
+2 3
=3-4+4 3
=4 3
.1 3