Привет,
4(5-3х)=20-12х
2(a+b+2) =2а+2b+4
(3-2х)*3=9-6x
3(4+a+x)=12+3a+3x
(3y-5)*5=15y-25
(3+x+b)*7=21+7x+7b
2(2a+b-2)=4a+2b-4
(3x-2-2y)*3=9x-6-6y
9(2b+4c-5)=18b+36c-45
Привет,
4(5-3х)=20-12х
2(a+b+2) =2а+2b+4
(3-2х)*3=9-6x
3(4+a+x)=12+3a+3x
(3y-5)*5=15y-25
(3+x+b)*7=21+7x+7b
2(2a+b-2)=4a+2b-4
(3x-2-2y)*3=9x-6-6y
9(2b+4c-5)=18b+36c-45