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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
1 1 3
3 3 3 ×
3 × 3 =
9
3 × 10 =
30
3 × 100 =
300
30 × 3 =
90
30 × 10 =
300
30 × 100 =
3000
300 × 3 =
900
300 × 10 =
3000
300 × 100 =
+ 30000
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