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“工程应用题”解题方法新探曲靖师范附一小王丽端工程应用题，是分数乘除法应用题的延伸。随着分数乘除法应用题教法上的改革，特别是强调用方程解分数除法应用题，即把分数除法应用题用方程的形式统一到分数乘洁的数量关系上，使逆向思维转变成顺向思维，就使学生更容易...
A new exploration of the problem-solving method of “engineering application problem” Qujing Normal attached to a small Wangli Duan engineering application questions, is an extension of the application of fractional multiplication and division. With the reform of the teaching of fractional multiplication and division of application problems, especially emphasizing the application of the problem of division of the solution by the equation, that is, the application of the fractional division of the problem by the equation in the form of unity to the number of fractions by the number of cleaning, the reverse thinking into Shun To think, make it easier for students ...