1500⼀x 1500⼀1.2x=1100怎么解?

2025-04-08 07:54:33
推荐回答(1个)
回答1:

1500/x +1500/1.2x=1100
1500/x +1250/x=1100
2700/x=1100
x=2700÷1100
x=27/11