数学 求解! 过程 0.75 X 200x =0.8 X 200(x-1)

2024-12-30 00:28:04
推荐回答(4个)
回答1:

回答2:

0.75 X 200x =0.8 X 200(x-1)
0.75 x =0.8(x-1)
0.75x=0.8x-0.8
0.8x-0.75x=0.8
0.05x=0.8
5x=80
x=16

回答3:

150x=0.8X200x-200
150x/200x=0.8-200
0.75x=199.2
x=265.6

回答4:

简单