Найдите значение x, если 7^2.5=7^1/2*49*x^0.5
7^2.5=7^1/2*49*x^0.5=7^1/2*7^2*x^1/2=7^2.5*x^1/2= 7^5/2*x^1/2 -> 7^2.5=7^2.5*x^1/2 -> x^1/2=1 -> x=1