乙比甲多2分之1,甲比乙少几分之几?
问题描述:
乙比甲多2分之1,甲比乙少几分之几?
答
1/2÷(1+1/2)
=1/2÷3/2
=1/3
乙比甲多2分之1,甲比乙少几分之几?
1/2÷(1+1/2)
=1/2÷3/2
=1/3