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x²:2²=(3²)²
dau corona​


Răspuns :

Ti-am pus o poza

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Vezi imaginea JSKSKSKSK

[tex]x^2:2^2=(3^2)^2\\x^2:2^2=3^4\\x^2:4=81\\x^2=81*4=324\\x=\sqrt{324} =18[/tex]