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

1/4(a+2b)-1/6(5a-2b)+1/3b
=a/4+b/2-5a/6+b/3+b/3
=-7a/12+7b/6