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3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
5 6 8
4 7 ×
7 × 8 = 5 6
7 × 60 = 4 2 0
7 × 500 = 3 5 0 0
40 × 8 =
320
40 × 60 =
2400
40 × 500 =
20000
26696