64 в степени 2/3 помогите плз
64^2/3 = (2^6)^2/3 = 2^4 = 16
64^(2/3) = (64*64) ^(1/3) = (2^6*2^6) ^ (1/3) = 2^(6*1/3) * 2(6*1/3) = 2^2 * 2^2 = 4*4=16