0.3:7分之2化简,并求比值

2025-06-28 14:55:46
推荐回答(3个)
回答1:

照片

回答2:

化简:0.3:2/7
=3/10:2/7
=21:20
求值:21:20
=21÷20
=21/20

希望能帮到你!

回答3:

化简:0.3:2/7 =3/10:2/7 =21:20 求值:21:20 =21÷20 =21/20