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Test QI Vichingo
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Domanda 1 di 12
A Viking longship travels 12 km in 4 hours upstream but 12 km in 2 hours downstream. How long for 12 km in still water?
Domanda 1 di 12
A Viking longship travels 12 km in 4 hours upstream but 12 km in 2 hours downstream. How long for 12 km in still water?