TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 Ki m tra b i cể à ũ 10 - 5 = 5 10 - 10 = 0 10 10 - - 6 2 8 4 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 Vi t phép tính thích h pế ợ 10 - 2 = 8 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008