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3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
3 9 6
3 4 ×
4 × 6 = 2 4
4 × 90 = 3 6 0
4 × 300 = 1 2 0 0
30 × 6 =
180
30 × 90 =
2700
30 × 300 =
9000
13464