Mathematics
Primary
๐ฒ5ใ6ใงใใใงใใ่งฃใๆน๏ฝค็ญใใๆใใฆใใใชใใงใใใใ๏ผใ้กใใใพใ๐คฒ
-12 cm
5
ๅณใฎๅณใง,ๅคๅดใฎๅใฎๅๅจใฎ
้ทใใฏ,ๅ
ๅดใฎๅใฎๅๅจใฎ
4cm
้ทใใใไฝ cm้ทใใงใใ
7 cm
็ดๅพ 28cmใฎๅใฎๅๅจใฎ้ทใใฏ, ็ดๅพ7cmใฎๅใฎ
ๅๅจใฎ้ทใใฎไฝๅใงใใใ ใใใใใฎๅใฎๅๅจใฎ้ทใใ
่จ็ฎใงๆฑใใชใใง็ญใใพใใใใ
6
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