51 - 17 = ....
51 - 10 =
nu moet de 7 er nog af.
41 - 1 - 6 =

je kunt je antwoord controleren met de som

34 + 17 = 51

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41 - 23 =
41 - 27 =
31 - 17 =
31 - 11 =
21 - 16 =

31 - 16 =
11 - 9 =
21 - 5 =
41 - 18 =
31 - 14 =
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81 - 23 =
91 - 37 =
71 - 14 =
81 - 22 =
91 - 18 =

61 - 22 =
71 - 35 =
81 - 41 =
51 - 29 =
91 - 53 =
----------------------------------------------------------------------------------------------------------------------controleer nu je antwoorden ----