2⼀3 +(8⼀9-5⼀6)简便计算?

2025-03-11 09:32:20
推荐回答(2个)
回答1:

2/3+(8/9−5/6)
=12/18+(16/18−15/18)
=12/18+1/18
=13/18

回答2:

2/3+(8/9-5/6)
=2/3+8/9-5/6
=6/9+8/9-5/6
=14/9-5/6
=26/18-15/18
=11/18