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#69 [ΌOΘ΅]
»A»ρΘ Α³θc
±κ©½η΄ΜQΒΝl^Ύν
θͺΖΕ·
:08/11/02 01:36 
:SH903i 
:ikEm8gjQ
#70 [ΌOΘ΅]
β«
x^2+y^22|xy|,y^2+z^22|yz|,z^2+x^22|zx|ζθ
x^2+y^2+z^2|xy|+|yz|+|zx|xy+yz+zx
x^2+y^2+z^2xy+yz+zx
±κΘ’ΖΈ_³κιΑΫ’©ηκ’Ζ°^)/
:08/11/02 01:37 :N902iX :
#71 [ΌOΘ΅]
Θρ©²ίρ(₯_₯;)
ζ£ΑΔ_(^O^)^
:08/11/02 01:38 :N902iX :
#72 [ΌOΘ΅]
’β’βΧΙΘθά΅½B·’ΔΗ©Α½Ε·(Ξ
:08/11/02 01:40 :SH903i :ikEm8gjQ
#73 [ΌOΘ΅]
±ΑΏͺΕΎΑ½―Ηc
a^2+b^2+c^2=(a+b+c)^2-2(ab+bc+ca)=4-2(ab+bc+ca)
(ab+bc+ca)ͺΕεΖΘκΞζ’¨a^2+b^2+c^2=(ab+bc+ca)¨ _(^O^)^
ΦΑ½
:08/11/02 01:43 :N902iX :
#74 [ΌOΘ΅]
β«x,y,zΙΘΑΔιiΦj½ΟΘ
ͺͺ{[bΖ΅Διέ½’ΎΘ°^)ΙΌ
:08/11/02 01:46 :N902iX :
#75 [δ
]
έρΘΗ±u]Ε·©H
:08/11/05 09:45 :SH706i :1JL.4EJI
#76 [±°Ξί]
ΤΙόκΔΊ³’τ
γεγwΪw΅Δά·σσ
QΕ·σξ
:08/11/06 00:43 :W52SA :M3tJtmsc
#77 [ΌOΘ΅]
>>75>>3QΖ
>>76Η€ΌΗ€Ό(LΦM)
γγΝο΅’―ΗAͺρΞΑΔ('Ν')
:08/11/06 14:42 :N902iX :qVwIXhIU
#78 [δ]
>>77·έάΉρ©ΔάΉρΕ΅½
θͺΖ€²΄’ά·
ΰόκΔΎ³’
kεEςu]Ε·B
:08/11/06 15:27 :SH706i :GZMU9omw
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