...blok 3 contractwerk.gif hoofdrekenen... oefening 18

Voorbeeld: 3 x 24 = 60 + 12 = 72
5 x 56 = + =
5 x 72 = + =
5 x 82 = + =
5 x 108 = + =
5 x 212 = + =
5 x 37 = + =
5 x 120 = + =
5 x 46 = + =
5 x 125 = + =
5 x 204 = + =