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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
3 5 3
1 6 8 ×
8 × 3 =
24
8 × 50 =
400
8 × 300 =
2400
60 × 3 =
180
60 × 50 =
3000
60 × 300 =
18000
100 × 3 =
300
100 × 50 =
5000
100 × 300 =
+ 30000
59304