[Risolto] es.182, urgente!!

179

(5^12-5^10+5^9)/5^9

[5^9*(5^3+5-1)]/5^9

(5^3+5-+)= 121

180

(2^14-2^12-2^10)/2^10

[2^10*(2^4-2^2-1)]/2^10

(2^4-4-1)= 16-5 = 11