5⼀6减(1⼀3加3⼀10)的通分过程?

2025-03-05 09:11:59
推荐回答(1个)
回答1:

5/6-(1/3+3/10)

=5/6-(10/30+9/30)

=5/6-19/30

=25/30-19/30

=6/30

=1/5