4分之3减7分之3=等于几分之几?
问题描述:
4分之3减7分之3=等于几分之几?
答
3/4-3/7
=21/28-12/28
=9/28
4分之3减7分之3=等于几分之几?
3/4-3/7
=21/28-12/28
=9/28