5⼀16×20⼀21×1⼀5的简便计算

2025-03-10 13:01:51
推荐回答(3个)
回答1:

简便运算

回答2:

5/16×20/21×1/5的简便计算
=5/16x1/5x20/21
=1/16x20/21
=5/84

回答3:


如图