TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 1 + 9 = 10 1 + 9 = 10 2 + 8 = 10 2 + 8 = 10 3 + 7 = 10 3 + 7 = 10 4 + 6 = 10 4 + 6 = 10 5 + 5 = 10 5 + 5 = 10 6 + 4 = 10 6 + 4 = 10 7 + 3 = 10 7 + 3 = 10 8 + 2 = 10 8 + 2 = 10 9 + 1 = 10 9 + 1 = 10 10 - 1 = 9 10 - 1 = 9 10 – 2 = 8 10 – 2 = 8 10 – 3 = 7 10 – 3 = 7 10 – 4 = 6 10 – 4 = 6 10 – 5 = 5 10 – 5 = 5 10 – 6 = 4 10 – 6 = 4 10 – 7 = 3 10 – 7 = 3 10 – 8 = 2 10 – 8 = 2 10 – 9 = 1 10 – 9 = 1 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 3 + 7 = 6 + 3 = 3 + 7 = 10 6 + 3 = 9 4 + 5 = 10 - 5 = 4 + 5 = 9 10 - 5 = 5 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 5 5 10 + 8 1 7 - 5 3 8 + 10 9 1 - TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 4 + 3 = 7 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 10 - 3 = 7 TRAN THI HOANG DUNG – KHOI MOT – TH CAM LOI –NH 2007 - 2008 . = 10 7 + 3 = 10 8 + 2 = 10 8 + 2 = 10 9 + 1 = 10 9 + 1 = 10 10 - 1 = 9 10 - 1 = 9 10 – 2 = 8 10 – 2 = 8 10 – 3 = 7 10 – 3 = 7 10 – 4 = 6 10 – 4 = 6 10. –NH 20 07 - 20 08 1 + 9 = 10 1 + 9 = 10 2 + 8 = 10 2 + 8 = 10 3 + 7 = 10 3 + 7 = 10 4 + 6 = 10 4 + 6 = 10 5 + 5 = 10 5 + 5 = 10 6 + 4 = 10 6 + 4 = 10 7