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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
2 5 0
2 6 ×
6 × 0 =
0
6 × 50 =
300
6 × 200 =
1200
20 × 0 =
0
20 × 50 =
1000
20 × 200 =
+ 4000
6500