4/11*1/8+0.125*2又7/11-0.125 简便运算
问题描述:
4/11*1/8+0.125*2又7/11-0.125 简便运算
答
4/11*1/8+0.125*2又7/11-0.125
=4/11*1/8+ 1/8*2又7/11- 1/8
=(1/8)*(4/11 + 2又7/11 - 1)
=(1/8)*(3 - 1)
=1/4