1.25⼀2.5等于x分之3.8这道比例题怎么做题怎么做?

2025-04-16 09:04:22
推荐回答(1个)
回答1:

1.25 :2.5=3.8 :x
1.25x=2.5×3.8
1.25x=9.5
x=9.5÷1.25
x=7.6