Răspuns:
Explicație pas cu pas:
5^46 = (5^23)^2
23^100 = (23^50)^2
(7^6)^5 = 7^30 = (7^15)^2
25^37 = (5^2)^37 = (5^37)^2
4^75 = (2^2)^75 = (2^75)^2
625^7 = (5^4)^7 = 5^28 = (5^14)^2
16*25 = 2^4*5^2 = (2^2*5)^2 = 20^2
2^18*3^6 = (2^9*3^3)^2
25*3^18 = 5^2*3^18 = (5*3^9)^2