Difference between revisions of "User:Niu"
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(Created page with "Hello world! <math>\sum_{i=0}^\infty 2^{-i}</math>") |
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<math>\sum_{i=0}^\infty 2^{-i}</math> | <math>\sum_{i=0}^\infty 2^{-i}</math> | ||
Latest revision as of 05:38, 25 December 2018
Hello world!
[math]\displaystyle{ \sum_{i=0}^\infty 2^{-i} }[/math]