53×29⼀54的简便算

2025-02-24 11:09:57
推荐回答(3个)
回答1:

53 x 29/54 = (54 -1) x 29/54 = 54x29/54 - 29/54 = 29-29/54 = 28又15/54= 28又5/18

回答2:

可以用拆分法计算。把52拆分成51+1,然后一起相乘,就是51乘以(29/51)+1(29/51),这个方法比较简单。52x(29/51)=(51+1)x(29/51)=51x(29/51)+1x(29/51)=29+29/51=29又29/51。

回答3:

53×29/54
=(54-1)x29/54
=54x29/54-1x29/54
=29-29/54
=28又54分之25。