这道题怎么做??各位学霸帮帮我
2014-09-09
展开全部
0.75+(-2又4分之3)+0.125+12又7分之5+(-4又8分之1)
=3/4+(-2-3/4)+1/8+12+5/7+(-4-1/8)
=3/4-2-3/4+1/8+12+5/7-4-1/8
=3/4-3/4+1/8-1/8+12-4-2+5/7
=6+5/7
=6又5/7
=3/4+(-2-3/4)+1/8+12+5/7+(-4-1/8)
=3/4-2-3/4+1/8+12+5/7-4-1/8
=3/4-3/4+1/8-1/8+12-4-2+5/7
=6+5/7
=6又5/7
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询