Baigiang13 duong thang trong mat phang Baigiang11 cac bai toan ve to hop chinh hop va phep dem Baigiang10 nhi thuc niu ton Baigiang8 cac bai toan ve so phuc Baigiang7 bat dang thuc va gia tri lon nhat gia tri nho nhat Baigiang4 5 duong thang va mat phang trong khong gian Baigiang12 phep tinh tich phan va ung dung Baigiang3 cac bai toan ve toa do vec to trong khong gian Baigiang1 the tich khoi da dien 
