โจ Best Answer โจ
็ปๅๅ็ ง
ไธ็ชๅ ใซโ(b-c)ใๅบใใใใใๅพใใฎไบใคใฎ็ฌฆๅทใฏๅคใใฃใฆใใพใ๐
ใใใใจใใใใใพใ๐โโ๏ธ
yes๐
๐ฉใใไฝใใใฆใใใฎใๅใใใชใใฎใงๆใใฆใปใใใงใ๐โโ๏ธ
โจ Best Answer โจ
็ปๅๅ็ ง
ไธ็ชๅ ใซโ(b-c)ใๅบใใใใใๅพใใฎไบใคใฎ็ฌฆๅทใฏๅคใใฃใฆใใพใ๐
ใใใใจใใใใใพใ๐โโ๏ธ
yes๐
ๅฑ้ๅ
ฌๅผใฎ้ใงใใญ
(a+b)(a+c)=aยฒ+(b+c)a+bc
ใใใ็ฌฆๅทใใใคใในใซใใใใฎ
(a-b)(a-c)=aยฒ-(b+c)a+bc
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