4/11*1/8+0.125*2又7/11-0.125 简便运算

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4/11*1/8+0.125*2又7/11-0.125 简便运算
4/11*1/8+0.125*2又7/11-0.125 简便运算

4/11*1/8+0.125*2又7/11-0.125 简便运算
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