(x;y)=(-1;-2). Vậy có 1 cặp

2015-215=1800

154800:1800=86

86*2015=173290

1. My brother is the fastest in my house.

house ---> family

2. Of two boys, nam is the tallest.

Of ---> In

3. Hoa is more pretty than her sister.

more pretty ---> prettier

4. It is difficult findind an apartment in ha noi.

finding ---> to find

5. What a naughty students ?

a ---> are