Ngày tải lên :
13/07/2014, 04:00
... 6+4=
7+ 1= 7+ 3= 7+ 2=
8+1= 8+2= 8+0
9+0= 9+1= 9+2=
10+ 2= 10+ 0= 10+ 6=
11+2= 11+3= 11+6
2. TÍNH
6-2= 4-1= 5-3=
3-1= 2-1= 5-3=
4-2= 4-3= 6-3=
5-2= 5-0= 7- 3=
8-5= 9-4= 7- 6=
10- 6= 8-6= 6-5=
4-3= 7- 3= 9 -7=
3-3= ... nhất
8, 4 , 10 , 12 , 9 11, 18, 19, 8 16, 13, 14, 20
3, 6, 9, 8, 12 12, 11, 10, 15 6, 9, 10, 1, 8
5. Khoanh vào số lớn nhất
12, 11, 10, 15 8, 4 , 10 , 12 , 9 3, 6, 9, 8, 12
6, 9, 10, 1, 8 16, ... 20:……………………………………
6, 9, 10, 1, 8:……………………………………
12, 11, 10, 15:……………………………………
16, 18, 12, 10, 9:……………………………………
18, 11, 3, 9, 12:……………………………………
6, 7, 0, 3, 9, 11:……………………………………
8. 4, 6, 7, 5, 2:……………………………………
9....