Germany | Can You solve this ? | Math Olympiad X=? & Y=?

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[@cachotrelles4715]

Excelente explicación, aún sin tener idioma común, ESTÁ EL IDIOMA Y COMPRENSIÓN DE LAS MATEMÁTICAS Y SUS REGLAS 👏👏👏👏👏

[@PedroOrtiz-sh8hs]

excellent exercise

[@TheSimCaptain]

It was simpler to just substitute the value of x in the second equation. x + y = 3.285 y = 3.285 - x y = 3.285 - 1.7726 y = 1.5124

[@roger7341]

Use natural logs for a straight-forward answer x = (ln3*ln20 - ln2*ln18)/(ln3*ln3 - ln2*ln2) = 1.77247... y = (ln20 - ln3*x)/ln2 = 1.51262...

[@user-ee7nw2rx9s]

Есть замечательная формула и решение будет быстрее на 10 минут А именно если с=a^b, то b= log(a) c

[@luisalfredonarvaeznarvaez5125]

Bello desarrollo de la ecuación

[@wbell539]

Equations of this form: a^xb^y = c can be resolved into linear equations: y = log(a^(-x)c)/log(b). Then you can solve pairs of them.

[@christianrenemoreau4612]

Remarquons que les valeurs proposées sont des valeurs approchées et le symbole d'égalité EST donc INCORRECT d'un point de vue rigoureux.

[@MsNancy1212]

How did you get 1.285

[@naturalsustainable6116]

I think the answer is not correct. When we substitute the x,y value to the original equations, 1st equation : I get 8.6847 , not 18 2nd equation : I get 9.8635 , not 20

[@porthorcharlee5151]

Incorrect

[@user-xj2up2yu7n]

😂3*285

[@user-qr7dw4hk6x]

Бог мой, эту мутотень растянули на столько времени и текста. Здесь делов на полминуты. Нет, надо объяснить, что 2×3 равно именно 6 . Тьфу