99乘57简便

2025-03-23 18:27:47
推荐回答(5个)
回答1:

 

回答2:

 

回答3:

(100-1)X57
=100x57+1X57
=5700+57
=5757

回答4:

99约等于100X57-57

回答5:

(99+1)×57