1 2 ! B 3 6 – 1 = 5 4 6 – 1 = 5 6 – 5 = 1 5 6 – 1 = 5 6 – 5 = 1 6 – 2 = 4 6 – 4 = 2 6 – 3 = 3 6 6 – 1 = 5 6 – 5 = 1 6 – 2 = 4 6 – 4 = 2 6 – 3 = 3 1 6 2 4 6 7 Tr 66 Tr 67 Tr 66 Tr 67 8 1 TÝnh: 6 - 3 6 - 4 6 - 1 6 - 5 6 - 2 6 - 0 6 4 1 5 2 3 2 TÝnh: 4 + 2 = 3 + 3 = 6 – 3 = 6 – 2 = 5 + 1 = 6 – 5 = 6 – 1 = 1 5 6 3 4 6 6 6 – 6 =6 – 4 = 0 2 9 TÝnh: 3 6 – 4 – 2 = 6 – 2 - 4 = 6 – 2 – 1 = T1 T2 T3 4 a) b) 6 – 3 = 3 6 – 2 = 4 ViÕt phÐp tÝnh thÝch hîp 10 6 – 1 = 5 6 – 5 = 1 6 – 3 = 3 1 TÝnh: 2 TÝnh: 5 + 1 = 6 – 5 = 6 – 1 = 1 5 6 6 – 2 = 4 6 – 4 = 2 6 - 3 6 - 4 6 - 1 6 - 5 6 - 2 6 - 0 6 4 1 5 2 3 4 + 2 = 6 – 2 = 4 6 6 – 4 = 2 3 + 3 = 6 – 3 = 6 3 6 – 6 = 0 TÝnh: 3 6 – 4 – 2 = 6 – 2 – 1 = T1 T3 6 – 2 - 4 = T2 ViÕt phÐp tÝnh thÝch hîp 4 6 – 3 = 3 6 – 2 = 4 a) b) [...].. .6 1=5 6 2=4 6 5=1 6 4=2 6 3=3 11 12 . B 3 6 – 1 = 5 4 6 – 1 = 5 6 – 5 = 1 5 6 – 1 = 5 6 – 5 = 1 6 – 2 = 4 6 – 4 = 2 6 – 3 = 3 6 6 – 1 = 5 6 – 5 = 1 6 – 2 = 4 6 – 4 = 2 6 – 3 = 3 1 6 2 4 6 7 Tr 66 Tr 67 Tr 66 Tr 67 8 1 TÝnh: . 8 1 TÝnh: 6 - 3 6 - 4 6 - 1 6 - 5 6 - 2 6 - 0 6 4 1 5 2 3 2 TÝnh: 4 + 2 = 3 + 3 = 6 – 3 = 6 – 2 = 5 + 1 = 6 – 5 = 6 – 1 = 1 5 6 3 4 6 6 6 – 6 =6 – 4 = 0 2 9 TÝnh: 3 6 –. 4 = 2 6 - 3 6 - 4 6 - 1 6 - 5 6 - 2 6 - 0 6 4 1 5 2 3 4 + 2 = 6 – 2 = 4 6 6 – 4 = 2 3 + 3 = 6 – 3 = 6 3 6 – 6 = 0 TÝnh: 3 6 – 4 – 2 = 6 – 2 – 1 = T1 T3 6 – 2 -