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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
1 7 6
1 4 3 ×
3 × 6 =
18
3 × 70 =
210
3 × 100 =
300
40 × 6 =
240
40 × 70 =
2800
40 × 100 =
4000
100 × 6 =
600
100 × 70 =
7000
100 × 100 =
+ 10000
25168