โจ Best Answer โจ
ใฉใ๏ผ
ใใใใฅใใใฃใใ่ใใฆใใ ใใ
ๅผใฎ็ญ็ฎใงใไธใซใใคใในใใใใฎใฏใ(ไธใฎๅผ)โ(ไธใฎๅผ)ใงใ
Mathematics
Junior High
Resolved
ๆฅใใงใ๐ฆ๐ฆ
ๅ็ญ่งฃ่ชฌใ้กใใใพใ๐โโ๏ธ๐
ใงใใใฐใฉใกใใใ้กใใใพใ๐โโ๏ธ
A, B2ไบบใงใใใใใใใใใจใ,1ๅใใจใฎๅพ็นใ, ๅใฃใๆนใฏ3็น,่ฒ ใใๆนใฏ -2็นใจๆฑบใใใ
AใจBใงใใใใใใไฝๅใใใใจใใ, AใฎๅใฃใๅๆฐใฏBใฎๅใฃใๅๆฐใใ 3ๅๅคใ, Aใฎๅพ็นใฏ
14็นใซใชใฃใใ A, Bใใใใใๅใฃใๅๆฐใๆฑใใชใใใ
10
A
ใใใฏใฉในใฎ็ๅพ20ไบบใง5็นๆบ็นใฎๅฐใในใใ่กใฃใ
ใจใใ,็ตๆใฏๅณใฎ่กจใฎใใใซใชใ, ใพใ, ใใฎ 20 ไบบใฎ
ๅพ็น(็น)
1
2
3
4
5
่จ
ไบบๆฐ(ไบบ)
2
3
7
20
ๅนณๅ็นใฏ3.5็นใงใใฃใใ่กจใฎไธญใฎz, yใฎๅคใๆฑใใชใใใ
10
ใช=
Answers
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