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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
2 3 8
2 3 5 ×
5 × 8 =
40
5 × 30 =
150
5 × 200 =
1000
30 × 8 =
240
30 × 30 =
900
30 × 200 =
6000
200 × 8 =
1600
200 × 30 =
6000
200 × 200 =
+ 40000
55930