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Aflați nr natural x care verifica egalitatea (x-2^3):3^2=1^4

Răspuns :

(x-2^3):3^2=1^4

(x-8×3):3^2=1

(x-24):3^2=1

[tex]\frac{x miuns 24}{3 la puetera 2}[/tex]  =1

[tex]\frac{x minus 24}{9}[/tex]  =1

x miuns 24=9

x=9 plus 24

x = 33