P. 約8年以前 (16/3)^3 *(27/2)^2 = [(2^4)/3]^3*[(3^3)/2]^2 = (2^12)/(3^3) * (3^6)/(2^2) = 2^(12-2) * 3^(6-3) = 2^10 * 3^3 留言