七分之九比零点九的化简比的算式怎么做?

2025-01-05 23:03:31
推荐回答(2个)
回答1:

解:9/7:0.9
=(9/7×70):(0.9×70)
=90:63
=(90÷9):(63÷9)
=10:7

回答2:

七分之九比零点九
=(9/7)/0.9
=9/(7×0.9)
=10/7