Stiind ca x/y=2/3, aflati: a)2x/2x+5y; b)x la puterea 2+y la puterea 2/ 2x la puterea 2

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29 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Stiind ca x/y=2/3, aflati: a)2x/2x+5y; b)x la puterea 2+y la puterea 2/ 2x la puterea 2
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(x^2+y^2)/2x^2 = (x^2/y^2 + 1)/2x^2/y^2 = (4/9 +1)/(2 x 4/9) = 13/9 x 8/9 = 13/8


Răspunsul a fost dat în data 29 Agustus 2025

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bonjour,

trouvez le nombre manquant dans chaque égalité et expliquez la réponse

3/-2 : .../7 = - 21/10
-3/8 X .../9 = 2/3
7/12 - .../4 = - 1/6
MERCI DE M AIDER

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