问题
解答题
|
答案
(1)
X=2-X2 3
X+X=2-X+X2 3
X=25 3
X=
;6 5
(2)5(X-2.4)=3(4-X)
5X-12=12-3X
5X-12+12=12-3X+12
5X+3X=24-3X+3X
8X=24
X=3;
(3)
=0.1 X 0.25 0.125
0.25X=0.1×0.125
0.25X÷0.25=0.1×0.125÷0.25
X=0.05.