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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
2 6 9
3 9 7 ×
7 × 9 = 6 3
7 × 60 = 4 2 0
7 × 200 = 1 4 0 0
90 × 9 = 8 1 0
90 × 60 = 5 4 0 0
90 × 200 = 1 8 0 0 0
300 × 9 =
2700
300 × 60 =
18000
300 × 200 =
60000
106793