Model: 8 x 3 = 3 x 8 = 8 + 8 + 8
a) 9 x 4 = 4 x 9 = 9 + 9 + 9 + 9
b) 10 x 2 = 2 x 10 = 10 + 10
c) 7 x 3 = 3 x 7 = 7 + 7 + 7
d) 8 x 4 = 4 x 8 = 8 + 8 + 8 + 8
Rezolvare
a) 9 x 4 = 4 x 9 = 9 + 9 + 9 + 9
b) 10 x 2 = 2 x 10 = 10 + 10
c) 7 x 3 = 3 x 7 = 7 + 7 + 7
d) 8 x 4 = 4 x 8 = 8 + 8 + 8 + 8
Niciun comentariu:
Trimiteți un comentariu