TÌM X A) 3 4X X 32 5X 6X0 B) 5 2 X 34X X 22 3X 2X0...

Câu 2:

2

3

1

5

x

x

2

D.

6

3

1

2

5x

x

x

5

x

x

2

x

C.

5

3

1

A.

5x

6

x

3

x

2

B.

5

3

1

2

2