๐ฏ็ฎฑๆ นใใฐ๐ฏ
ใใฃในใใฌใคใใใซๆฎใฃใใฉโฅ๐ฆ
ๅฐ็ใฎใใใใใฏใใใๆใใจใใใถ๐๐
ใใๆใใๅทใใใซใใใจ30ๅใขใใใชใฎใญ๐๐ฆ
ใใใโๅคงๆ นใใใ+ใใใณ
ใใฎ้ใใง30ๅใใใใใใๅทใใใฏใใใชใใฎๆๅใใใใใฎใโฅ๐ฆ
ใใฃในใใฌใคใใใซๆฎใฃใใฉโฅ๐ฆ
ๅฐ็ใฎใใใใใฏใใใๆใใจใใใถ๐๐
ใใๆใใๅทใใใซใใใจ30ๅใขใใใชใฎใญ๐๐ฆ
ใใใโๅคงๆ นใใใ+ใใใณ
ใใฎ้ใใง30ๅใใใใใใๅทใใใฏใใใชใใฎๆๅใใใใใฎใโฅ๐ฆ
(โโ -โ )๐ต๐ต๐นใฒใใใโฅ (โโ -โ )ใตใใผใใงใทใฆใใคๅผๅฝ้ฃใใชโฅ (โโ -โ )๐ฑ๐นใขใฐใขใฐโฅ