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随着改革开放的深入、社会主义市场经济的建立,一些以前同学们感到陌生的词,诸如增值、贬值、赚钱、赔本、股市等已成为日常用语.尤其同学们关心的中考、数学竞赛,这类数学应用题也屡见不鲜,这些实际问题
With the deepening of reform and opening up, and the establishment of a socialist market economy, some words that have been strange to former students, such as value-added, devaluation, making money, losing money, and stock market, have become daily expressions. Especially the students are concerned about the entrance exam and math competition. Mathematical application problems are also common, these practical problems