1. There are some birds near the gorilla.

2. There is a piece of rock near the tree.

3. There are some sharks in an aquatium.

4. There is an eel in an aquarium, too.

5. There is much water for the fish.

6. There are some animals see at the zoo.

7. There aren't any chairs at downstairs.

1) food / like / lunch / what / would / for / kind / you / of / ?

=> What would you like kind of food for lunch ?

2) went / he / HCM city / to / his parents / with / last week .

=> He went to HCM city with his parents last week .

tại vi neu tam giác có 2 hay ba góc vuông thì hình tạo thành không phải là hình tam giác nữa

420 ; 700 chia hết cho a

=> a thuộc ƯC(420;700)

UCLN(420;700=140

mà a lớn nhất 

=>a =140