1.X+35%X=540

问题描述:

1.X+35%X=540
2.156X-X=5.6
2是 156%X-X=5.6

X+35%X=540
100%X+35%X=540
135%X=540
X=540 ÷135%
X=400
156X-X=5.6
(156-1)X=5.6
155X=5.6
X=5.6÷155
X≈0.036额,对不起呀,第二题写错了。是156%X-X=5.6156%X-X=5.6 156%X-1X=5.6156%X-100%X=5.6 (156%-100%)X=5.656%X=5.6 X=5.6÷56% X=10