计算(1/3-1/4+2/5-5/6)x(-60)的值
问题描述:
计算(1/3-1/4+2/5-5/6)x(-60)的值
计算(-1/2)-(-1/6)+(-2/3)+(-4/5)的值
答
(1/3-1/4+2/5-5/6)x(-60)
=-20+15-24+50
=21