5分之4比5分之2多百分之几

2025-12-14 19:14:16
推荐回答(2个)
回答1:

(4/5-2/5)÷4/5
=2/5÷4/5
=2/5×5/4
=1/2=0.5
0.5×100%=50%
4/5比2/5多50%

回答2:

(4/5-2/5)÷2/5
=2/5÷2/5
=2/5×5/2
=1
=100%