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3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
1 5 8
1 9 ×
9 × 8 = 7 2
9 × 50 = 4 5 0
9 × 100 = 9 0 0
10 × 8 =
80
10 × 50 =
500
10 × 100 =
1000
3002