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O masina parcurge 400 km in 5 ore. In cate ore parcurge masina 500 de km? (viteza e aceeasi).
De ce ese 6.15.min.in loc de 6.25.care e formula de calcul?


Răspuns :

400km.......5h

500km.......x

400:500=5:x=>x=5·500:400=25:4=6,25


400 km..........5ore
500 km..........corect
400:500=5:x=5.500:400=25:4=6,25