问题
解答题
化简或计算: (1)
(2)
(3)(
(4)(2-
|
答案
(1)原式=3
+125
=155
;5
(2)原式=
-14 7
=-14 6 7
;14
(3)原式=(
-36 4
)•23
=3 3 2
-18;2
(4)原式=6+2
-32
-2=4-2
.2
化简或计算: (1)
(2)
(3)(
(4)(2-
|
(1)原式=3
+125
=155
;5
(2)原式=
-14 7
=-14 6 7
;14
(3)原式=(
-36 4
)•23
=3 3 2
-18;2
(4)原式=6+2
-32
-2=4-2
.2