2 21 1 2 1 1X X X X X       C. 1 3 1 1 X X    

2 . - DE CUONG ON THI TOAN 8 HK1 CO DAP AN

Toán DE CUONG ON THI TOAN 8 HK1 CO DAP AN

Nội dung
Đáp án tham khảo

2 . 2 2

1 1 2 1 1

x x x x x

      

c.

1 3 1 1

 

x x

    