问题
解答题
计算题: (1)
(2)(3-
(3)
(4)(2-
|
答案
(1)原式=
-2×12 3 8
=
-24 3 8
=
-8 8
=0;
(2)原式=3-2-3
=-2;
(3)原式=3
+2
-22 2
=2
;2
(4)原式=4+3+4
+3 3
-3 3 2 3
=7+
+13
=8+
.3
计算题: (1)
(2)(3-
(3)
(4)(2-
|
(1)原式=
-2×12 3 8
=
-24 3 8
=
-8 8
=0;
(2)原式=3-2-3
=-2;
(3)原式=3
+2
-22 2
=2
;2
(4)原式=4+3+4
+3 3
-3 3 2 3
=7+
+13
=8+
.3