== i—á‘è‘Δäj‹…‚Ì‘Ìςƕ\–ÊÏ ==

Œ³‚ÌHTML‹³Þ

yURLzhttp://www.geisya.or.jp/~mwm48961/math2/sphere_episode1.htm

PDFӁ

yЉԏzsphere_episode1q.pdf
y‰ð“šzsphere_episode1a.pdf

–ß‚é

PDF”ł̃ƒjƒ…[‚Ö