khi nói tốc độ của một ô tô là 40 km/h là nói đến vận tốc nào? vì sao? tính quãng đường xe đi trong 2 giờ

`18/30`-`25/30`= (1-`1/2`)(1-`1/3`)(1-`1/4`)....(1-`1/2011`)

Giúp mình với ạ. Write a news story based on a true event. Plan your story including the points below. Say:  when and where it happened  what the weather was like  who was there and what they were doing  what happened  what happened next  if it had a happy or sad ending.

huhuhuuhuhuhuhuuhuhhuhuhuhuhuhuhuhhh

giúp mình câu b) chứng minh MD.CE= ME.CD

giup minh bai 1 voi nha mng th a

giúp mình với Write a short note or message to a friend telling him or her the best way to get to your house from the train station. Remember that when you write notes you don't always need to use the following: articles, pronouns, auxiliary verbs and polite forms.

Vẽ mầm bực bội Ai nhanh nhất CTLHN K NHẬN TRANH CŨ

nhanh lênnnnnnn Finish each of the following sentences in such a way that it means the same as the sentence printed before it. 86. It is said that he escaped to a neutral country.  He________________________________________________________ 87. Although he was very tired, he agreed to play tennis.  Tired _______________________________________________________ 88. “You have done really well to pass your driving test so quickly.” She said to me  She congratulated _____________________________________________________________ 89. I regret not going to the airport to say goodbye her.  I wish _________________________________________________________- 90. As he grew older, he became more and more forgetful.  The older________________________________________________________

12. By cutting down trees we ____ the natural habitat of birds and animals A. hurt B. harm C. damage D. injure