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例谈经济应用问题的数学模型燕子宗（湖北荆州中学４３４１００）本文精选了几个数学应用模型，供大家教学时参考．１．（贷款计划）某生产企业对某产品已投入开发费用１千万元，并预计该产品年资产收益率为１５％（不包括开发费用）．企业现自筹资金１千万元准备投入生产...
Talking about the Mathematical Model of Economic Problems Yan Zizong (Jingzhou Middle School, Hubei 434100) This paper selects several mathematical application models for reference when teaching. 1. (Loan Scheme) A manufacturing enterprise has invested RMB 10 million in the development cost of a certain product and estimated the annual ROE of the product to be 15% (excluding the development cost). Enterprises are self-financing 10 million yuan ready to put into production ...