Mathematics
Senior High
ไบๆฌก้ขๆฐ๐
โญ๏ธใฎๅผใๅคใใใจใใใใใใใใพใใใ
ใใใใใ้กใใใพใใ
No.
Date
ๅ
จ็ฅ2ๅนดๅบฆ(3-2)
612:ใน ๅฅณf (2)ใax+ 3cx- a'c-4 ใ x$0) ใฐ"ใใใ
ๆๅคงๅคใMใๅฐๅคใmใจใใ
ใใฎใฆใใณใฏใฎใ ใใซ็ฌใใชใใ
()Oใซใใใฆใas
ใใใใ
ใใ ใ
(ๅฎ็พฉ็ใงใฎ0ใจใใใ
CA
ใ-2ใฎใฆใใMใmใใใใใใtใ Tใชใใ
ใฎไธญใ่จๅฎคใใฆใ
(4)Oใใซใใใฆใaใoใฎใฆใ M- m<seใชใใจใฉใชaใฎ1็ดใฎ็ฏ้ขจใ
ใใ+ใชใใใ
M
J ใ5
ใo
a
9
13)IใใM
ใผaz
4 a
-4 ใ
ใฎ ใซใใใฆใๆญๅฐๅคใฏ
-ใผ4ใฎใจใใ
ใคใ
|6 a
12a
ใ-a?
4
eL?
M
?ใ
9
4 a
ใ 5
4 a
ใ
4
-16+2-4
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