Question

Сократите дробь 3х+9у/15х+45у. Можно фото решение?

Answer 1

(3х+9у) / (15х+45у) = 3(х+3у) / 15(х+3у) = 1/5

Answer 2

3х + 9у/15х+45у= 3(х+3у)/15(х+3у)=3/15=1/3