heplaihp92
New member
- Xu
- 0
*Ve dai so
dinh nghia dum minh the nao la tiep diem? the nao la duong thang tiep tuyen' voi 1 do` thi No khac voi duong thang "cat'" do thi,duong thang the nao
*Ve hinh khong gian
HInh chop deu la gi No co khac voi Hinh chop tu giac deu ko
Khi nao co tinh chat' Dinh noi voi tam day' la duong cao hinh` do'(nhung hinh gi co tinh chat nhu the)
Co' tra loi dum minh het nha Ai ko tra loi het minh cung van thank:byebye:
dinh nghia dum minh the nao la tiep diem? the nao la duong thang tiep tuyen' voi 1 do` thi No khac voi duong thang "cat'" do thi,duong thang the nao
*Ve hinh khong gian
HInh chop deu la gi No co khac voi Hinh chop tu giac deu ko
Khi nao co tinh chat' Dinh noi voi tam day' la duong cao hinh` do'(nhung hinh gi co tinh chat nhu the)
Co' tra loi dum minh het nha Ai ko tra loi het minh cung van thank:byebye: