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3 cijfers X 3 cijfers [1]

3 cijfers X 3 cijfers [1]

 
5 4 3
4 6 8 ×
2 4
3 2 0
4 0 0 0
1 8 0
2 4 0 0
3 0 0 0 0
1200
16000
+ 200000
254124