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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
2 5 6
1 3 3 ×
3 × 6 = 1 8
3 × 50 = 1 5 0
3 × 200 = 6 0 0
30 × 6 = 1 8 0
30 × 50 = 1 5 0 0
30 × 200 = 6 0 0 0
100 × 6 =
600
100 × 50 =
5000
100 × 200 =
+ 20000
34048