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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
7 3 7
9 5 5 ×
5 × 7 = 3 5
5 × 30 = 1 5 0
5 × 700 = 3 5 0 0
50 × 7 = 3 5 0
50 × 30 = 1 5 0 0
50 × 700 = 3 5 0 0 0
900 × 7 =
6300
900 × 30 =
27000
900 × 700 =
+ 630000
703835