/highscope/fubini-%e5%8e%9f%e7%90%86-2/ 科學Online Wed, 06 Oct 2021 08:30:51 +0000 hourly 1 https://wordpress.org/?v=6.9 /highscope/fubini-%e5%8e%9f%e7%90%86-2/comment-page-1/#comment-7555 Thu, 31 Mar 2016 01:16:16 +0000 http://case.ntu.edu.tw/highscope/?p=14687#comment-7555 1+3+5+…+(2n-1)=n*n, but not 1+3+5+…+(2n+1)=n*n.

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