Question

aratati ca nr n=[(5^3)^7:(1+2^2)^10-5^10]:5^2 este patrat perfect
Pls e urgent!
Merci!​

Answer 1

Răspuns:

(5^21 : 5^10 - 5^10) : 5^2 =

(5^11 - 5^10) : 5^2 =

5^10 • (5-1) : 5^2 =

5^10 • 4 : 5^2 =

5^8 • 2^2 =

(5^4 • 2)^2 pătrat perfect