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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
2 5 2
3 1 ×
1 × 2 =
2
1 × 50 =
50
1 × 200 =
200
30 × 2 =
60
30 × 50 =
1500
30 × 200 =
+ 6000
7812