35×5⼀36简便运算?

2025-02-23 18:46:58
推荐回答(4个)
回答1:

回答2:

利用乘法分配律
=(36-1)×5/36
=36*5/36-1*5/36
=5-5/36
=4又31/36

回答3:

=(36-1)x5/36
=36x5/36-5/36
=5-5/36

回答4:

=(36-1)Ⅹ5/36
=36Ⅹ5/36-1X5/36
=5-5/36
=175/36