4/7×3/10×14简便运算
问题描述:
4/7×3/10×14简便运算
答
4/7×3/10×14
=(4/7x14)x3/10
=8x3/10
=12/5
4/7×3/10×14简便运算
4/7×3/10×14
=(4/7x14)x3/10
=8x3/10
=12/5