โจ Best Answer โจ
โกใงใใใญ๏ผๅ้กๆใซR=1ใจๆธใใฆใใใพใใใใ2R=2ใงใใ
ใชใ๐ฐ2ใซใชใใฎใใๅใใใพใใ๐ฆ
ๆใใฆใใ ใใ๐โโ๏ธ
โจ Best Answer โจ
โกใงใใใญ๏ผๅ้กๆใซR=1ใจๆธใใฆใใใพใใใใ2R=2ใงใใ
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