Раскройте скобки 3(8+b) 8(x-7) (8-m)*15 22(7x+4) 7(3m+9n-18p) (21a-15b+33c)*12
1) 24+3b 2) 8x-56 3) 120-15m 4) 154х+ 88 5) 21m+63n-126р 5) 252a-180b + 396с
24+3b 8x-56 120-15m 154