六年级数学求比值

12.75 :1.252分之7 :7分之30 急急
2024-11-15 22:06:11
推荐回答(1个)
回答1:

12.75 :1.25
=12.75*4:1.25*4
=51:5
=51/5
=10.2
2分之7 :7分之30
=2分之7*14 :7分之30*14
=49:60
=49/60