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ionica umfla 16 baloane la fiecare 3 minute .cate baloane umfla in 3 ore daca fiecare al optulea balon se sparge

Răspuns :

Dacă Ionica umfla 16 baloane in 3 minute, 2 baloane se sparg => Ionica umfla doar 14 baloane in 3 minute.
O ora are 60 de minute. => 3x60 = 180 de minute au 3 ore
180:3x14=60x14=840 de baloane umfla Ionica