化简1/4(a+2b)-1/6(5a-2b)+1/3b
问题描述:
化简1/4(a+2b)-1/6(5a-2b)+1/3b
答
1/4(a+2b)-1/6(5a-2b)+1/3b
=a/4+b/2-5a/6+b/3+b/3
=-7a/12+7b/6