Mathematics
Junior High
Solved
่ณๆฅใงใ๐๐
ใใฎ2ๅใๆใใฆใใ ใใ๐ฆ
ไธใใๆ้ ใป ่ตฐใฃใๆ้
1 ๆฌกใฎๅใใซ็ญใใชใใใ
ไธ ใใๅ็ฉ้คจใฎๅ
ฅไฟก่
ๆฐใฏๆจๆฅใฏๅคงไบบใจๅญใฉใใๅใใใฆ615ไบบใ ใฃใใไปๆฅใฎๅ
ฅ้คจ่
ๆฐใฏ, ๆจๆฅใใๅคง
ไบบใ8 %ๆธใ, ๅญใฉใใ15%ๅขใใใฎใง, ๅ
จไฝใงใฏๆจๆฅใใ 6 ไบบๅคใใฃใใ ไปๆฅใฎๅคงไบบใจๅญใฉใใฎๅ
ฅ้คจ่
ๆฐ
ใใใใใๆฑใใชใใใ
ๅคงไบบ ใป ๅญใฉใ
!2) Tใทใฃใใจใธใผใณใบใใฉใกใใๅฎไพกใง่ฒทใ ใจ, ไปฃ้ใฎๅ่จใฏ5700ๅใซใใใใใใจใทใฃใใฏๅฎไพกใฎ20%ๅผใ,
ใธใผใณใบใซๅฎไพกใฎ15%ๅผใใง่ฒทใฃใใใใ ไปฃ้ใฎๅ่จใฏ4720ๅใซใใฃใใ ใทใฃใ ใธใผใณใบใฎๅฎไพกใใใ
|ใใๆฐดใใชใใใ
ใจใจใทใฃใฆ ใ ใธใผใณใบ
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