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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
2 1 2
1 6 5 ×
5 × 2 =
10
5 × 10 =
50
5 × 200 =
1000
60 × 2 =
120
60 × 10 =
600
60 × 200 =
12000
100 × 2 =
200
100 × 10 =
1000
100 × 200 =
+ 20000
34980