Mathematics
Senior High
่ณๆฅ๐๐ปโโ๏ธ
ๆใใฆใใ ใใ!!
ใ็ฒพ้ธๅ้ก25ใ
ๆฌกใฎๅใซ็ญใใใ
(1) >1ใฎ็ฏๅฒใง, ้ขๆฐ y = log3 x + loga 9 ใฎๆๅฐๅคใๆฑใใใ
(2) 2, y ใ็ญๅผzยฐyยฐ = 81
ใจๆๅฐๅคใๆฑใใใ
(ใใ ใใ ใงใใ
, 2
3
ใๆบใใใจใ,(log3 z)? + log3 y ใฎๆๅคงๅค
3
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