1⼀8比9⼀4等于x比2⼀5

1/8比9/4等于x比2/5
2025-02-06 12:45:37
推荐回答(1个)
回答1:

解: 1/8:9/4=x:2/5
x=1/8X2/5/(9/4)
x=1/20X4/9
x=1/45

所以1/8:9/4=1/45:2/5