Răspuns:
b) 7 x 3 = 7 x 3 = 7 x 3 = 21
2 1 2 1 x 2 2
c) 9 x 10 = 9 x 5 = 3 x 5= 15
6 3
b) 2 x 3 = 2 x 1 = 2
7 9 7 3 21
c) 2 x 3 = 1 x 3 = 1
6 4 3 4 4