(1/2+1/3+1/4+.+1/40)+2/3+2/4+.2/40)+(3/4+3/5+.+3/40)+.(38/39+38/40)/40等于?求求各位大哥,大姐,快回应~~~(1/2+1/3+1/4+....+1/40)+(2/3+2/4+.....2/40)+(3/4+3/5+........+3/40)+.......(38/39+38/40)39/40等于?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 01:42:57
![(1/2+1/3+1/4+.+1/40)+2/3+2/4+.2/40)+(3/4+3/5+.+3/40)+.(38/39+38/40)/40等于?求求各位大哥,大姐,快回应~~~(1/2+1/3+1/4+....+1/40)+(2/3+2/4+.....2/40)+(3/4+3/5+........+3/40)+.......(38/39+38/40)39/40等于?](/uploads/image/z/160373-29-3.jpg?t=%281%2F2%2B1%2F3%2B1%2F4%2B.%2B1%2F40%EF%BC%89%2B2%2F3%2B2%2F4%2B.2%2F40%EF%BC%89%2B%EF%BC%883%2F4%2B3%2F5%2B.%2B3%2F40%29%2B.%2838%2F39%2B38%2F40%29%2F40%E7%AD%89%E4%BA%8E%3F%E6%B1%82%E6%B1%82%E5%90%84%E4%BD%8D%E5%A4%A7%E5%93%A5%2C%E5%A4%A7%E5%A7%90%2C%E5%BF%AB%E5%9B%9E%E5%BA%94%7E%7E%7E%281%2F2%2B1%2F3%2B1%2F4%2B....%2B1%2F40%EF%BC%89%2B%EF%BC%882%2F3%2B2%2F4%2B.....2%2F40%EF%BC%89%2B%EF%BC%883%2F4%2B3%2F5%2B........%2B3%2F40%29%2B.......%2838%2F39%2B38%2F40%2939%2F40%E7%AD%89%E4%BA%8E%EF%BC%9F)
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