Colin Creevey, elev al scolii Hogwarts, este de doua ori mai in varsta decat fratele sau, Dennis. Dennis are de 3 ori mai multe bomboane surpriza decat are Colin baghete. Daca inmultim varsta lui Colin cu numarul bomboanelor, obtinem 510.
Cerinta: Ce varsta are Dennis si cate baghete are Colin? Cu argumentare.|
Raspunsul se va posta pe forum: [aici].
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