http://www.andrews.edu/~calkins/math/webtexts/geom05.htm
google "congruence" and it is "Proofs Using Congruence" check t
所有跟帖:
• 沒細看,估計不是。 多謝! -到一道- ♂ (0 bytes) () 12/26/2011 postreply 17:01:00
http://www.andrews.edu/~calkins/math/webtexts/geom05.htm
• 沒細看,估計不是。 多謝! -到一道- ♂ (0 bytes) () 12/26/2011 postreply 17:01:00
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