Mathematics
Senior High
ๆฅใใงใ๐ญ๐ฆ๐ฆ
ใใฎ้ๅญใงๆธใใฆใใจใใใใๅใใใพใใ๏ผ
ๆใใฆใใ ใใ๐ฆ
ใงใใใฐๆฅใใงใ้กใใใพใ๐๐๐ฆ
2017ๅนดๅบฆ ๆฐๅญฆ sg
ๆ ใๆฐๅญฆใปๆฐๅญฆBใ Wo rgr ใปๅๅญฆAใ ใจใฎใฉใกใใใผๆนใ้ธๆใใชใใใ)
RG
ๅ1 3ๆฌกๅ
ๅ
ญ้ใซใใใใฆ. 3ใคใฎใใฏใใซ
ใจโก00. 5=@L2, ใง=Lrใฎ
ใใใใ ใใใใใไฝ็ฝฎใใฏใใซใจใใ3็นAใ BCใจๅๅ0ใจใ้ ไธ
ใจใใๅ้ขไฝ ABCO ใ่ใใ ไปฅไธใฎๆ้ ใง ABCO ใฎไฝ็ฉใๆฑใใใ
Oze 3็น 0, A, Bใ้ใๅนณ้ขไธใฎ็นใฎไฝ็ฝฎใใฟใใซใง, ใชใจ็ดไบคใ
่ญฐๆMycใฆใชใ0ใพใใ ใใฎใจใ,
= (L9ใ. [6 Le)
YLS8ใ
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