T
tranthikimngan199


cho hinh chop SABC. Mp bat ki cat SA,SB,SC lan luot tai A', B', C'
CMRcho hinh chop SABC. Mp bat ki cat SA,SB,SC lan luot tai A', B', C'
CMR:[tex]\frac{VA'B'C'}{\frac{VABC}[/tex]=[tex]\frac{SA'}{\frac{SA}[/tex]=[tex]\frac{SB'}{\frac{SB}[/tex]=[tex]\frac{SC'}{\frac{SC}[/tex]
khong biet lam sao ma co dau cham hoi ben duoi nua nhung may ban dung de y dau cham hoi nha, hjhj cau hoi la zay do giup dum to nhe
CMRcho hinh chop SABC. Mp bat ki cat SA,SB,SC lan luot tai A', B', C'
CMR:[tex]\frac{VA'B'C'}{\frac{VABC}[/tex]=[tex]\frac{SA'}{\frac{SA}[/tex]=[tex]\frac{SB'}{\frac{SB}[/tex]=[tex]\frac{SC'}{\frac{SC}[/tex]
khong biet lam sao ma co dau cham hoi ben duoi nua nhung may ban dung de y dau cham hoi nha, hjhj cau hoi la zay do giup dum to nhe
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