几道应用题的解法探讨吴忠市教研室何京尧今年四月份，我市小学生参加了第一届中国小学生“九章杯”数学竞赛。本文试对初赛试图中的几道应用题的解法，谈谈算术和方程两种解法的运用。例１．（初赛题第７小题）一次数学测验，六（１）班全班平均９１分，男生平均８９分，... Several solutions to the problems discussed in the Wuzhong City Teaching and Research Office He Jingyi In April of this year, primary school students from the city participated in the first session of the “9 Chapters Cup” mathematical contest for Chinese primary school students. This article tries to solve the problems of several applications in the preliminary game, and talks about the application of two solutions of arithmetic and equation. Example 1. (Q7 question) a math test, the average class of six (1) class 91 points, an average of 89 points for boys,...