Science
Junior High
ใ ๅคง่ณๆฅ ๐ฆใ12ๆใใใใใใพใงใซใฏๅ็ญใ้กใใใใใงใ๏ผ Aๅฐ็นใงใฏใ้ขจๅใฏ ๅใใๅใๆฐๆธฉใฏไธใใ ใใใฏใๅฏๅทๅ็ทใ้้ใใใใใใชใใๆธฉๆๅ็ทใงใฏใชใใๅฏๅทๅ็ทใ้้ใใใจใใใใจใๅใใใใงใใ๏ผ
โค5 ไธๅณใฏใๅ็ทใใจใใชใไฝๆฐๅงใๆฅๆฌไป่ฟใ็งปๅ
ใใฆใใใจใใฎๅคฉๆฐๅณใงใใใ ๆฌกใฎๅใใซ็ญใใชใใใ
ไฝๆ
120 ยฐ
้ซ1006
1014
้ซ
1014
ไฝA
1998
30ยฐ]
OTTIT
a
ใซใใใ
B
140ยฐ
1004
150
40 ยฐ
้ซ
30%
10
5
(2) ไฝๆฐๅงใฎ็งปๅใซใจใใชใ, ใใฐใใใใใจๅคฉๆฐๅณใฎ
aๅฐ็นใฎ้ขจๅใจๆฐๆธฉใฏใฉใฎใใใซๅคๅใใใจ่ใใ
ใใใใ
ใซใใฆใฏใพใ่ชๅฅใ็ญใใชใใใ
โ
้ขจๅใฎๅคๅ: โ ใใใฎ้ขจใใโกใใใฎ้ขจใซ
ๅคใใใ
ใปๆฐๆธฉใฎๅคๅ : ๆฅใซโข
O
ใใใใฆใ
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