本程序的主要功能在于一元多项式的相 加减计算,以及结果的升幂,降幂的输出.主 要特点在于可乱序输入多项式,自动排序 以及合并同类项,程序的循环计算. -The primary function of this program is one dollar addition and subtraction of polynomials, as well as the results of power or reduce power output. The main feature o