五分之四乘以五除以五分之四乘五用简便方法计算

2025-12-17 18:36:57
推荐回答(2个)
回答1:

4/5×5÷4/5×5
=4/5÷4/5×5×5
=1×5×5
=25

回答2:

4/5×5÷4/5×5=(4/5÷4/5)×(5×5)=1×25=25