Quod Erat Demonstrandum

2010/11/17

證明 Euler’s formula

Filed under: Junior Form Mathematics,University Mathematics — johnmayhk @ 3:10 下午

初中同學應學過 Euler’s formula

V - E + F = 2

這樣有 19 個證明

http://www.ics.uci.edu/~eppstein/junkyard/euler/

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