Question

раскройте скобки 1) 2(a+b) 2) (3-b)•5 3) 6m(7n+8p)

Answer 1

2а + 2в, 15 - 5в, 42мн + 48мр

Answer 2

1) 2(a+b) = 2a+2b
2) (3-b)•5 = 15-5b
3) 6m(7n+8p) = 42mn+48mp