1.He was very -> so nervous that he couldn't answer that easy question.

2. I have to stay here until my friend, Jane will come -> comes back.

3. I am tired now because I stayed up late to watching -> watch an interesting football match on TV last night.

4. They spoke quietly in order to not -> not to disturb anyone.

5. Please turn -> off the fans and lights when leaving the room.

6. I congratulate Nga in -> on passing her exam.

7. I don't know that you are capable in -> of playing the guitar.

8. My parents said that they will -> would go home late that evening.

9. A new style of jeans have just been introduced in our clothes shop.

10. On my opinion, I think there exists -> is life on other planets.

11. Neil Armstrong, that -> who first walked on the moon, lived in the USA.

Số thứ nhất là : ( 9998 - 1000 ) : 2 = 4499

Số thứ hai là : 9998 - 4499 = 5499 . Nếu đúng thì k cho mình nhé !!!

BÀ LÃO MAT KEM ONG LAO MAT MANG

11111+11111=22222

Duyệt nha

Thể tích hình lập phương là :

             62 x 62 x 62 = 238328 ( cm³ )

                                Đáp số : 238382 cm³

ai lik mình , mình lik lại

a/ l-2l = 2

l-4l = 4

Ta được : 2^300 và 4^150

2^300=(2^2)^150=4^150
Vì 4^150 = 4^150 => 2^300 = 4^150 => l-2l^300 = l-4l^150

b/ l-2l = 2

l-3l = 3

Tà được ; 2^300 và 3^200

2^300=(2^3)^100=8^100

3^200=(3^2)^100=9^100

Vì 8^100 < 9^100 => 2^300 < 3^200 => l-2l^300 < l-3l^200