50 - 17 = ....
50 - 10 = 40
nu moet de 7 er nog af.
40 - 7 =

je kunt je antwoord controleren met de som

33 + 17 = 50

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40 - 23 =
40 - 27 =
50 - 17 =
30 - 17 =
50 - 36 =

30 - 16 =
50 - 29 =
50 - 35 =
40 - 18 =
30 - 14 =
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80 - 23 =
90 - 37 =
70 - 14 =
80 - 22 =
90 - 18 =

100 - 22 =
100 - 35 =
100 - 41 =
100 - 29 =
100 - 51 =
----------------------------------------------------------------------------------------------------------------------controleer nu je antwoorden ----