Question

determinati multiplii de doua cifre ai numarului 21 18 35 19

Answer 1

21={42 ,63,84,) 18={36, 54,72 90) 35={70) 19={38,57,76 95,)

Answer 2

21 = {42, 63, 84}
18 = {36, 54, 72, 90}
35 = {70}
19 = {38, 57, 76, 95}