[r]
(1)(2)Toán
(3)(4)(5)(6)(7)
8 + =
1 + =
7 + =
2 + =
6 + =
3 + =
5 + =
(8)8 + =
1 + =
7 + =
2 + =
6 + =
3 + =
5 + =
(9)8 + =
1 + =
7 + =
2 + =
6 + =
3 + =
5 + =
(10)8 + =
1 + =
7 + =
2 + =
6 + =
3 + =
5 + =
(11)Bµi 1:TÝnh: + + + + + +
(12)Bµi 2:TÝnh:
2 + = + = – = + = + = – =3
8 + = + = – = + = + = + =8
9
9
(13)Bµi 3:TÝnh:
4 + = + + = + + =
6 + = + + = + + = + =
1 + + = + + =
(14)