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3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
1 4 3
1 1 ×
1 × 3 = 3
1 × 40 = 4 0
1 × 100 = 1 0 0
10 × 3 =
30
10 × 40 =
400
10 × 100 =
1000
1573