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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
1 4 7
3 6 3 ×
3 × 7 =
21
3 × 40 =
120
3 × 100 =
300
60 × 7 =
420
60 × 40 =
2400
60 × 100 =
6000
300 × 7 =
2100
300 × 40 =
12000
300 × 100 =
+ 30000
53361