5⼀9*11+7⼀9*50简便运算

2024-12-25 23:41:43
推荐回答(2个)
回答1:

5/9*11+7/9*50
=5/9×11+5/9×70
=5/9×(11+70)
=5/9×81
=45

回答2:

5/9*11+7/9*50
=5/9*11+5/9*70
=5/9*(11+70)
=5/9*81
=45