(2分之1+3分之1+·····+2003分之1)×(1+2分之1+····+2002分之1)-(1+2分之1+·····+2003分之1)×(2分之1+3分之1+·····+2002分之1)等于多少貌似有简便的算法如果有算式写下来.谢谢了
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 17:17:24
![(2分之1+3分之1+·····+2003分之1)×(1+2分之1+····+2002分之1)-(1+2分之1+·····+2003分之1)×(2分之1+3分之1+·····+2002分之1)等于多少貌似有简便的算法如果有算式写下来.谢谢了](/uploads/image/z/2559246-6-6.jpg?t=%EF%BC%882%E5%88%86%E4%B9%8B1%2B3%E5%88%86%E4%B9%8B1%2B%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%2B2003%E5%88%86%E4%B9%8B1%EF%BC%89%C3%97%EF%BC%881%2B2%E5%88%86%E4%B9%8B1%2B%C2%B7%C2%B7%C2%B7%C2%B7%2B2002%E5%88%86%E4%B9%8B1%EF%BC%89-%EF%BC%881%2B2%E5%88%86%E4%B9%8B1%2B%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%2B2003%E5%88%86%E4%B9%8B1%EF%BC%89%C3%97%EF%BC%882%E5%88%86%E4%B9%8B1%2B3%E5%88%86%E4%B9%8B1%2B%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%2B2002%E5%88%86%E4%B9%8B1%EF%BC%89%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%E8%B2%8C%E4%BC%BC%E6%9C%89%E7%AE%80%E4%BE%BF%E7%9A%84%E7%AE%97%E6%B3%95%E5%A6%82%E6%9E%9C%E6%9C%89%E7%AE%97%E5%BC%8F%E5%86%99%E4%B8%8B%E6%9D%A5.%E8%B0%A2%E8%B0%A2%E4%BA%86)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 17:17:24