โจ Best Answer โจ
่ใใๅๅญ้ใฏใ
28*(4/5)+32*(1/5)=28.8
ไธ้
ธๅ็ช็ด ใฎๅๅญ้ใฏ
14+16=30
้ธๆ่ขใฎใชใใงใฏใใใไธ็ช่ฟใใชใใจๆใใพใใ
Chemistry
Senior High
Resolved
็ทๆฅใงใ๐๐
่งฃใๆนๆใใฆใใ ใใ๏ผ๏ผ
ๅ 4 ็ฉบๆฐ(ๅคงๆฐ) ใๅฟ็ด ใจ้
ธ็ด ใฎไฝ็ฉๆฐใ4 ใ
ใซใใใฆ, ๆใฎๅฎขๅบฆใซๆใ่ฟใๅฏๅบฆใใใคๆฐไฝ
ใค้ธในใ ่ผ็ฐ|
ใโฉ ใขใซใดใณ 6 @ /-็งไบบไบบ็ด
@ ไบ่ๅ็กซ้ป 6 ่ทไบบ้
ใฎ้ธไบบๆฐไฝใจใใใจใ ๅ
ๆธฉใปๅ
ใใ ๆฌกใฎ0ใใฎใใกใใไบ
ไบบ ใชใพใณ
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