Раскройте скобку 1. (6+х)*2: 2. (y-7)*3: 3. 12*(с+8) : 4.4*(х-8:) 5.(4-у)*5:

Question

Раскройте скобку 1. (6+х)*2: 2. (y-7)*3: 3. 12*(с+8) : 4.4*(х-8:) 5.(4-у)*5:

Answer 1

1) (6+x)•2=12+2x
2) (y-7)•3=3y-21
3) 12•(c+8)=12c+96
4) 4•(x-8)=4x-32
5) (4-y)•5=20-5y

Answer 2

(6+x)*2=12+2x

(y-7)*3=3y-21

12*(c+8)=12c+96

4*(x-8)=4x-32

(4-y)*5=20-5y