11分之8减9分之4减9分之5加11分之3简便算

2024-12-19 22:43:14
推荐回答(3个)
回答1:

11分之8减9分之4减9分之5加11分之3简便算
解:采用结合律,
原式=8/11-4/9-5/9+3/11
=(8/11+3/11)-(4/9+5/9)
=11/11-9/9
=1-1
=0

回答2:

11分之8减9分之4减9分之5加11分之3简便算
=(8/11+3/11)-(4/9+5/9)
=1-1
=0

回答3:

如图