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有些应用题条件结构复杂,难以找到解题突破口。如果根据条件创设情景进行思考,则可以化难为易。例:学校食堂买回大米和面粉共
Some application questions are complicated in structure and difficult to find a solution to the problem. If you create conditions based on the conditions of thinking, you can make life easier. Example: School canteens buy rice and flour together