在单片机内部数据RAM的30H开始的单元中连续存放了某班32学生的高等数学成绩，试编制程序求此班高等数学平均成绩，并将平均成绩的整数部分存放在20H中，小数部分存放在21H中。设成绩为百分制，用无符号二进制数表示，具体分数自行设置。(n the unit starting from 30h of the internal data RAM of the single chip microcomputer, the higher mathematics scores of 32 students in a class are stored continuously. Try to program the average higher mathematics scores of this class, and store the integral part of the average scores in 20h and the decimal part in 21h. Set the score as the percentage system, which is represented by an unsigned binary number. The specific score is set by yourself.)