CMR tồn tại 1 số có tận cùng là 2014 chia hết cho 2013

vẽ dậu mầm:)))))))))))))))))))))))))))))))))))))))))))

1/ 6.5g Zn tác dụng vs dug dịch chứa 12g HCl.Thể tích Hidro (H2)thu đc là 2/khử 12g sắt(III)oxit bằng hidro .khối lượng Fe thu đc là?

Giúp mik câu 4b và câu 1b đi cảm ơn nhiều vote 5*

Provide the correct form of the words in CAPITAL LETTERS 0.75 1. English is an………………………………………and important subject. INTEREST 2. In electronics, they learn to repair…………………………….. appliances. HOUSE 3. One of the most popular………………………………. at recess is talking. ACT Your answer: 1 2 3 IV. Supply the correct TENSES AND FORMS of the verbs in brackets. 1.0 1. You (see)………………………….. the film on television last night? 2. Bill decided ( buy) …………………..………..a new car. 3. She ought (finish) ……….………….…..her homework before watching TV. 4. Students should spend only a small part of their free time (play)…………………….video games. Your answer: 1 2 3 4 V. Fill in each gap with one appropriate word in the box. (1.25) important/ interesting/ use/ libraries/ problems/ see Books play a very ………………… (1) part in your life. It’s true that every family has books. We can …………………(2) books every where. We can learn many things from books. Books help us in self-education and deciding ……………….. (3) in life. Today, there are a lot of public ……………….. (4) in our country and all people have the right to use them. Each year hundreds of new books for children appear in Viet Nam. The books are very ………………. (5) and children like reading them very much. Your answer: 1 2 3 4 5 VI. Read the passage and do the tasks below(1 pt): Headache is very common disease in the USA. Every year, about fifty million people have to go to the doctor because of headache. The symptoms of a headache very various. People can see black dots or bright spots in front of their eyes. They may also have pains only on one side of the head. Sometimes, when the pain goes away, the head is sore. People have headache when they work too hard or they are too nervous about something. Medicine can help cure the disease but people usually have to do more than taking tablets. They can prevent headaches by changing their diets to their lifestyle or simply by going to bed. Quetions: 1. Why is headache a common disease in the USA? 2. What can people see when they have headache? 3. When do people have headache? 4. Can diets help people prevent headache? 5. Is the head OK when the pain goes away? VII. Rewrite these sentences beginning with given words so that the meaning stays the same (1.5) 1. He is a slower and more careful driver than I am. -> He drives… 2. This house is very beautiful. -> What… 3. Mai likes durians. Her sister likes durians,too. -> Both… 4. My friend likes tennis better than badminton. -> My friend prefers… 5. Tom spent 20 minutes repairing his bike last Sunday. -> It…

giup tui voi can truoc 5 h chieu nay

Cho quãng đường AB dài 300 km. cùng một lúc xe ô tô thứ nhất xuất phát từ A đến B. xe ô tô thứ hai đi từ B về A. sau khi xuất phát được 3 giờ thì hai xe gặp nhau. tính vận tốc của mỗi xe biết thời gian đi từ quãng đường AB của xe thứ nhất nhiều hơn xe thứ hai là 2 giờ 30 phút

CMR : tồn tại số có dạng 20032003....200300....0 chia hết cho 2002

Các bạn ơi ,bạn nào biết bài này thì giúp mk với

Sau khi thực hiện đoạn chương trình sau, giá trị của biến S bằng bao nhiêu: s:=1; for i:=1 to 5 do s := s*i; A.120 B. 55 C. 121 D. 151