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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
2 2 3
2 3 2 ×
2 × 3 =
6
2 × 20 =
40
2 × 200 =
400
30 × 3 =
90
30 × 20 =
600
30 × 200 =
6000
200 × 3 =
600
200 × 20 =
4000
200 × 200 =
+ 40000
51736