Question

решите плизз а то не могу

Answer 1

5^6*5^3/5^6=5^3=125......................

Answer 2

(5^6 * 5^3) : 5^8 = 5^(6+3) : 5^8 = 5^9 : 5^8 = 5^(9-8) = 5^1 = 5
(7^9*7^11) : 7^18 = 7^(9+11) : 7^18 = 7^18 : 7^18 = 1