57份之16乘32份之19 简便计算
问题描述：
57份之16乘32份之19 简便计算
答
16/57×19/32
=16/32×19/57
=1/2×1/3
=1/6
57份之16乘32份之19 简便计算
16/57×19/32
=16/32×19/57
=1/2×1/3
=1/6