1) 0,24b+9,76b-16b= 2)-3.9c-4,2c+1,5c= 3) -0,267d+1,2d -0.832d = 4)30x-33,81x-2,79x=...

Question

1) 0,24b+9,76b-16b= 2)-3.9c-4,2c+1,5c= 3) -0,267d+1,2d -0.832d = 4)30x-33,81x-2,79x= решите

Answer 1

0,24b+9,76b-16b=(0,24+9,76-16)b= - 6b

-3,9с-4,2с+1,5с= - 6,6с

-0,267d+1,2d-0,832d=0,101d

30х-33,81х-2,79х= - 6,6х