解方程:要过程:80%(1+50%)x-x=270

2025-05-14 00:19:32
推荐回答(4个)
回答1:

80%(1+50%)x-x=270
0.8(1+0.5)x-x=270
0.8*1.5x-x270
1.2x-x=270
x=270/0.2
x=1350

回答2:

80%(1+50%)x-x=270
解:1.2x-x=270
0.2x=270
x=5400

回答3:

80%(1+50%)x-x=270
0.8(1+0.5)x-x=270
0.8*1.5x-x270
1.2x-x=270
0.2x=270
x=270/0.2
x=1350

回答4:

80%(1+50%)x-x=270
(80%+ 80%*50% - 100%) x=270
(80%+40%-100%)x=270
20% x = 270
x=270/0.2
x=1350