基本信息
文件名称:五级数学M52231盈亏问题及综合.pdf
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更新时间:2025-11-04
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文档摘要

Section31ProfitandLossIssuesand

Comprehensive

[Keypointsof

knowledge]

Intheitineraryproblem,thereisaspecialtypeofprofitandlosstypequestions,whichcanbe

solvedbyusingtheideaofprofitandlossproblem.Thebestwaytosolvethistypeofproblemisto

drawan