Calcul Mental - Multiplication

1 x 1 = 0 1 2 5

10 x 250 = 2 500 25 25 000 250 000

17 x 15 = 170 238 255 272

150 x 250 = 31 500 37 500 40 500 41 600

1 x 1 x 2 x 2 = 1 2 4 6

150 x 2 x 3 = 1 200 600 800 900