7⼀10×5⼀16÷21⼀32简便计算?

2025-01-18 21:13:40
推荐回答(2个)
回答1:

7/10×5/16÷21/32
=5/10X7/16X32/21
=1/2X7/21X32/16
=1/2X1/3X2
=1/3
=3分之1

回答2: