问题
解答题
|
答案
(1)X÷
=23 4
X÷
×3 4
=2×3 4 3 4
X=
;3 2
(2)4X+
X=511 4
X=5117 4
X×17 4
=51×4 17 4 17
X=2;
(3)12÷
-3 2
X=53 4
8-
X=53 4
8-
X+3 4
X=5+3 4
X3 4
5+
X=83 4
5+
X-5=8-53 4
X=33 4
X×3 4
=3×4 3 4 3
x=4.