化简的,6x-28-2.5x+30.56a+13a8a-(5a+8)(5x+7)-(4x+0.18)第4页

问题描述:

化简的,6x-28-2.5x+30.5
6a+13a
8a-(5a+8)
(5x+7)-(4x+0.18)
第4页

6a+13a 6x-28-2.5x+30.5 8a-(5a+8a) (5x+7-(4x+0)
=19a =3.5x+2.5 =3a+8a =1x+7.18