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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
1 6 4
1 5 ×
5 × 4 =
20
5 × 60 =
300
5 × 100 =
500
10 × 4 =
40
10 × 60 =
600
10 × 100 =
+ 1000
2460