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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
3 5 9
6 2 ×
2 × 9 =
18
2 × 50 =
100
2 × 300 =
600
60 × 9 =
540
60 × 50 =
3000
60 × 300 =
+ 18000
22258