...blok 3 contractwerk.gif hoofdrekenen... oefening 1

70 x 6 =
8 x 90 =
4 x 700 =
300 x 5 =
20 x 4 =
80 x 60 =
700 x 20 =
40 x 50 =
6 x 3 000 =
40 x 700 =