Question

8 elevi dintr o clasa lucrand in mod egal au rezolvat 312 probleme Cate probleme vor rezolva 15 elevi?Dar 20 de elevi?

Answer 1

312:8=39 probleme un elev
15 elevi=39x15=585 problrme
20 elevi=39x20=780 probleme

Answer 2

8 elevi=312 probleme
15 elevi=? probleme
20 elevi=? probleme
312:8=39( probleme un elev )
15×39=585( probleme 15 elevi )
20×39=780( probleme 20 elevi )
RASPUNS: 585,780