[r]
(1)(2)To¸n
(3)(4)(5)8 – = 6 8 – = 2
(6)8 – = – = 2
8 – = 5 8 – = 3
(7)Bµi 1: TÝnh.
8 8 8 8 8 8
1 2 3 4 5 6
8 7
- - - - - -
-7 6 5 4 3 2 1
(8)Bµi 2: TÝnh.
1 + = 8 - =
2 + = 8 – =
+ = 8 - =
8 - = 8 – = 8 - =
(9)(10)Bµi 3: TÝnh.
8 - = 8 - - =
8 - =
8 - - = 8 - =8 - =
8 - - = 4 8 - - = 8 + =
4 4 3 3 3 0 8 8
(11)Bµi 3: TÝnh.
8 - = 8 - - =
8 - - = 44 4
(12)8 - 4 = 4
5 - 2 = 3
(13)8 - 4 = 4
5 - 2 = 3
8 - 3 = 5
5 - 3 = 2