โจ Best Answer โจ
3็ชใ4็ชใฏ็ปๅใฎ้ใใงใ๏ผ
2็ชใฏใฉใกใใจใๅใฃใฆใใพใใ๏ผไธๅฎใชๅ ดๅใฏ็ขบใใ็ฎใใใใฎใใๅงใใงใ๐
Mathematics
Primary
Resolved
ๆฅใใงใ๐
3็ชใจ4็ชใใใใใชใใฎใงๆใใฆๆฌฒใใใงใ๏ผ
2็ชใฏๅใฃใฆใใ็ขบ่ชใใฆใใใใใใงใโฆ
3 ๅบ่พบใ3Gcm,้ซใใ้ซ่พบใฎไบๅใงใใๅนณ่กใฎ่พบๅฝขใใใใพใใ
9
4
ใใฎๅนณ่กใฎ่พบๅฝขใฎ้ซใใฏไฝcmใงใใใ
(ๅผ)
ๅ15,็น(30)
็ญใ(
ใพใ
4 ๆ้ใง7800ๆใณใใผใงใใใณใใผๆฉใใใใพใใ 1ๅ้ใงใฏไฝๆ
ใณใใผใงใใพใใใ
(ๅผ)
ๅ15,็น(30)
็ญใ(
2 ๅฃใซใใฆใฏใพใๆฐใๆธใใพใใใใ
ๅ
ใฎ
600
mใฎ45%ใฏ270ใกใงใใ
0.45
โก 1500ๅใฎๅ็ฉใ30%ๅผใใง่ฒทใใจ, /5 0
ๅใงใ
0ใ3
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