Подобные слагаемые в выражении: 1) 5/7x-2/3-3/14x-1/3 2)5/6a-1 1/3a+3/4x-1/4x 3)0,2m-2/9-4m+5/9 4)2/7x-4/9y-5/14x+2/3y

1) 5/7х-2/3-3/14х-1/3=(10/14х-3/14х)+(-2/3-1/3)=7/14х-3/3=1/2х-1
2) 5/6а-1 1/3а+3/4х-1/4х=(5/6а-8/6а)+(3/4х-1/4х)=-3/6а+2/4х=-1/2а+1/2х
3) 0,2m-2/9-4m+5/9=(0,2m-4m)+(-2/9+5/9)=-3,8m+3/9=-3,8m+1/3
4) 2/7х-4/9у-5/14х+2/3у=(4/14х-5/14х)+(-4/9у+6/9у)=-1/14х+2/9у