不相邻的两数的平方相加 = m^2 + n^2相邻的两数的平方相乘 = n^2 * (n+1)^2 = [n(n-1)]^2相邻的两数的平方相除 = n^2 / (n+1)^2 = [n/(n-1)]^2相邻的两数的立方相减 = n^3 - (n+1)^3 = [n-(n+1)][n^2+n(n+1)+(n+1)^2...