De vermenigvuldiging in Z: basisoefening 1

Gatenvuloefening

Let op het toestandsteken!

(+1).(-7) =

(-1).(+6) =


(-2).(-3) =


(+7).(+9) =


(-6).(+8) =




(-3).(-3) =

(-8).(+1) =


(+7).(-2) =


(-3).(-8) =


(+8).(+5) =




(-1).(-1) =

(+8).(-8) =


(- 9).(+4) =


(-6).(-7) =


(+3).(+9) =