Odpowiedź :
[tex]27^3+25^3=3^9+5^4\cdot x\\5^4\cdot x=(3^3)^3+(5^2)^3-3^9\\5^4\cdot x=3^9+5^6-3^9\\5^4\cdot x=5^6\\x=5^2=25[/tex]
27³+25³=3⁹+5⁴*x
(3³)³+(5²)³=3⁹+5⁴*x
3⁹+5⁶=3⁹+5⁴*x
3⁹-3⁹+5⁶=x*5⁴
5⁶=5⁴x |:5⁴
5²=x
x=25
[tex]27^3+25^3=3^9+5^4\cdot x\\5^4\cdot x=(3^3)^3+(5^2)^3-3^9\\5^4\cdot x=3^9+5^6-3^9\\5^4\cdot x=5^6\\x=5^2=25[/tex]
27³+25³=3⁹+5⁴*x
(3³)³+(5²)³=3⁹+5⁴*x
3⁹+5⁶=3⁹+5⁴*x
3⁹-3⁹+5⁶=x*5⁴
5⁶=5⁴x |:5⁴
5²=x
x=25