...blok 1 contractwerk.gif hoofdrekenen... oefening 16

203 - 6 =
306 - 20 =
750 - 60 =
860 - 3 =
124 - 7 =
348 - 50 =
706 - 9 =
501 - 30 =
216 - 20 =
101 - 5 =