一元五次方程的一般求根公式:（证明）Equation of one dollar five times to prove a general formula for the roots :one dollar five times the starting equation can be expressed as equation coefficient (usually rational) of the add, subtract, multiply, divide and to express prescription , so that one dollar five times the root equation that can be said that the general prescription calculation formula of the roots. Are in order (to prove), and the "Abel鲁芬尼---- theorem" is not accurate. Five dollar five radical equation.