Répondre :
7 + 1 = 6
75 x 12 = 450
10 - 7 = 3
450 + 3 = 453
9 + 3 = 12
75 x 12 = 900
5 + 1 = 6
900 + 6 = 906
75 x 12 = 450
10 - 7 = 3
450 + 3 = 453
9 + 3 = 12
75 x 12 = 900
5 + 1 = 6
900 + 6 = 906