Tiet 75_ Giai Toan Ve Ti So Phan Tram

Tiet 66_ Chia 1 So TN Cho 1 So TN Thuong La So TP

Tiet 40_ Viet Cac So Do Do Dai Duoi Dang So Thap Phan

Tiet 100_ Gioi Thieu Bieu Do Hinh Quat

Tiet 155_ Phep Chia

Tiet 90_ Hinh Thang

Tiet 151_ Phep Tru

Tiet 58_ Nhan 1 So Thap Phan Voi 1 So Thap Phan

Tiet 05_ Phan So Thap Phan

Tiet 112_ Met Khoi

Tiet 09_ Hon So

Tiet 65_ Chia 1 So Thap Phan Cho 10 100 1000