A/ 2 ❑1 > 1 ❑2 B/ 2 ❑3 = 3 ❑2 C/ 2 ❑4 < 4 ❑2 D/ 2 ❑5 < 5❑2

4/ Câu nào đúng ?

a/ 2 ❑

1

> 1 ❑

2

b/ 2 ❑

3

= 3

2

c/ 2 ❑

4

< 4 ❑

2

d/ 2 ❑

5

< 5

2