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3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
4 4 3
2 4 ×
4 × 3 = 1 2
4 × 40 = 1 6 0
4 × 400 = 1 6 0 0
20 × 3 =
60
20 × 40 =
800
20 × 400 =
8000
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