06-03-2016
Mathematics

contestada

intr-o cutie sunt bile galbene si rosii. Numarul bilelor galbene este de 3 ori mai mic decat al celor rosii, iar diferenta dintre ele este de 18. Cate bile din fiecare culoare sunt in cutie.

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COWHEAD COWHEAD

07-03-2016

9×2=18 because 9+9=18

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