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应用题千变万化，是算术教学中的难点之一。帮助学生弄清楚基本四则应用题的意义和掌握住应用题的一些规律，对顺利地解答应用题是有好处的。整数四则应用题，根据解题步骤的多少、数量关
The ever-changing application problem is one of the difficulties in arithmetic teaching. Helping students to understand the meaning of the basic four application questions and master some of the rules of the application questions is good for the smooth solution of the application questions. Integer four application questions, according to the number of steps to solve the problem, the number of off