Có 5 tb sinh dục sơ khai của ruồi giấm nguyên phân liên tiếp 10 lần. Số tb con sinh ra sau quá trình nguyên phân là : A.5120. B.320. C.100. D.50

Cho bieu thuc B = -5/n+4: a/Tim dieu kien cua n de B la phan so b/Tim dieu kien cua n de B la so nguyen duong c/Tim dieu kien cua n de B la so nguyen am

Tìm ba số tỉ lệ với các số 5;2,3;8,1,biết răng tổng của hai số đầu lớn hơn số thứ ba là 8

Bài 5: Tính giá trị biểu thức 1/x + 8 – x – 22 với x = 2010 2/- x – a + 12 + a với x = - 98; a = 99 3/a – m + 7 – 8 + m với a = 1; m = - 123 4/ (-90) – (y + 10) + 100 với p = -24 Bài 6: Tìm x 1/-16 + 23 + x = - 16 2/2x – 35 = 15 3/3x + 17 = 12 4/│x - 1│= 0 5/-13 .│x│ = -26 Bài 7: Tính hợp lí 1/35. 18 – 5. 7. 28 2/45 – 5. (12 + 9) 3/24. (16 – 5) – 16. (24 - 5) 4/29. (19 – 13) – 19. (29 – 13) 5/31. (-18) + 31. ( - 81) – 31 6/(-12).47 + (-12). 52 + (-12) 7/13.(23 + 22) – 3.(17 + 28) 8/-48 + 48. (-78) + 48.(-21) Bài 8: Tính 1/(-6 – 2). (-6 + 2) 2/(7. 3 – 3) : (-6) 3/(-5 + 9) . (-4) 4/72 : (-6. 2 + 4) 5/-3. 7 – 4. (-5) + 1 6/18 – 10 : (+2) – 7 7/15 : (-5).(-3) – 8 8/(6. 8 – 10 : 5) + 3. (-7)

ALTHOUGH AND IN SPITE OF Although + clause <=> In spite of + Noun / gerund Despite a. We went on a picnic although the weather was cold.……………………… b. All of us will go to the meeting although it’s very far from here.…….. c. Although Mr Chanh is nearly seventy, he still likes to participate in every community activity.…………………………………………………….. d. . Although his knowledge of English is still poor, Nam gets along very well in class discussion.………………………………………………. e. Minh came to class in this morning although he had a bad cold.…………… f. Old Mr Ba attended the tree planting ceremony although the weather was awfully sultry. ………………………………………………………… g. The people of HCM City will accomplish the “ green revolution” victoriously although water scarce.……………………………………………………… h. Our country will become prosperous and powerful although we have to overcome many difficulties and hardships. ………………………………………………………………………………………… i. The guerillas will win the battle although the fascist government has many modern weapons. ……………………………………………………………………………………… j. The first-year students worked all afternoon in the trenches although it rained heavily.

thế nào là danh từ động từ tính từ cho ví dụ

Đọc đoạn văn sau, dùng từ gợi ý đặt câu hỏi và trả lời It's a Sunday morning. The sun is shining. Mary is watching TV in her room. Her father is reading newspapers. Her mother is cooking in the kitchen. Mary has got a dog. It is playing with a cat in the garden. It's a nice dog and Mary loves it very much. 1/ sun / shine ? .................................................................................................... 2/ What Mary / do / now ? .................................................................................................... 3/ father / read / newspapers ? .................................................................................................... 4/ What / mother / do ? .................................................................................................... 5/ What / dog / do ? .................................................................................................... 6/ Mary / love / dog ? .................................................................................................... Giúp mik với mn người,mik đang cần gấp

Trường THCS Huỳnh Tấn Phát cần đưa 510 học sinh của khối 6 đi tham quan Cần Giờ. Có hai cách để thuê xe: Cách 1 thuê xe 45 chỗ, giá thuê xe đi về cho mỗi xe là 1800000 đồng, cách 2 thuê xe 29 chỗ, giá thuê đi về cho mỗi xe là 950000 đồng. Hỏi nếu chỉ thuê một loại xe cho cả đoàn thì nhà trường thuê loại xe nào sẽ tiết kiệm hơn?

when did she start preparing for her overseas study -how long

In the United States and Canada, it is very important to (17) ______a person directly in the eyes when you are having a conversation with him or her. If you lookdown or to the side when the (18) ______ person is talking, that person will think that you are not interested in what he or she is saying. This, of course, is not polite. If you look down or to the side when you are talking, it might (19) ______that you are not honest. However, people who are speakingwill sometimes look away for (20) ______ seconds when they are thinking or trying to find the right word. But they always turn immediately back to look the listener directly in the eyes. These social "rules" are (21) ______ for two men, two women, a man and a woman, or an adult and a child. A: seem B: come C: turn D: become