5⼀6×5⼀9+5⼀9×1⼀6怎么简便运算?

2024-11-26 01:33:52
推荐回答(2个)
回答1:

解:
5/6×5/9+5/9×1/6
=(5/6+1/6)×5/9
=1x5/9
=5/9

回答2:

=5/9*(5/6+1/6)
=5/9*1
=5/9