根据已知列出分级教学的人数分配和分班教学的人数与及格率的关系，然后设出16个变量，通过传统概率知识列出目标函数，通过约束条件控制变量，建立出一个非线形规划模型，利用计算机程序设计求出最优解-Listed according to the known number of grade teaching assignment and placement of teaching the relationship between numbers and pass rates, and then set out the 16 variables, the probability of knowledge through the traditional objective function are listed, through the constraints of control variables, the establishment of a non-linear programming model, the use of computer programming optimal solution obtained