4分之3+5分之3-4分之1+3分之1用简便方法怎么计算?

2024-12-03 00:41:25
推荐回答(1个)
回答(1):

=3/4-1/4+3/5+1/3
=1/2+3/5+1/3
=11/10+1/3
=43/30