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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
3 5 3
5 8 ×
8 × 3 =
24
8 × 50 =
400
8 × 300 =
2400
50 × 3 =
150
50 × 50 =
2500
50 × 300 =
+ 15000
20474