Вычислите 5⁹*5³ ____ 5¹⁰
5^9+5^3=5^12 5^12-5^10=5^2=25
5^9*5^3/5^10 = 5^9+3/5^10 = 5^12/5^10 = 5^12-10 = 5^2 = 25