36×25⼀4-5⼀2简便算法

2025-04-07 15:54:35
推荐回答(3个)
回答1:

36x25/4-5/2
=36x(25/4/5/2)-1
=36x5/2-1
=18x5-1
=90-1
=89

回答2:

回答3: