Science
Junior High
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ใใใฎ๐ใๅ ฅใฃใๅผใฎใจใใฏใใใใใงใใใใใฎๅพใซใชใใง50ใซใชใใฎใใๅใใใพใใใใๅใใๆนใใใๆใใฆใใ ใใโผ๏ธโผ๏ธ
ใไพ้ก2ใ
ๆฐด200gใซ็ ็ณใใจใใใจใ็ ็ณๆฐดใฎ่ณช้
ใใผใปใณใๆฟๅบฆใฏ20%ใซใชใฃใใใจใใใ
็ ็ณใฎ่ณช้ใฏไฝg?
ใจใใใ็ ็ณใฎ่ณช้ใxใจใใใจใ
I
x+200g
x100=20
x = 50ใใใ 50g
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