Diện tích toàn phần của cái hộp hình lập phương không có nắp là 720dm2.Tính diện tích xung quanh của cái hộp đó.

simple past giúp mình với vote 5 sao ngay liền ạ We wrote these exercises last week. ___________________________________________________________. 3. I sent that letter two days ago. ___________________________________________________________. 4. They bought that house last year. ___________________________________________________________. 5. His sister raised the pigs . ____________________________________________________________. 6. He fixed the washing machine. ____________________________________________________________. 7. They made jean cloth completely from cotton in the 18th century. ____________________________________________________________.

Bài 1: Tìm x ; y ; z biết:a) (2x – 3)2 – 9 = 0 ; b) (3x + 2)3 + 125 = 0 ; c) d. (4x + 2) – (7x+5) = 0 ; e) 3x = 8y và x – y = 15 ; f) 2x = 3y = z và x + y+z = 10 g/ 3: x = x : 27 ; h) 3x = 4y ; x + y = - 14 i/ k/ x2 – x = 0 m/ x2 + x = 0 p/ x3 - 25x = 0 ; q/ x3 + 25x = 0 ; u/ 3x = 4y và x2 + y2 = 25 ; v/ x3 – ( 4x3 + 1 ) = - 1 j/ vaø 2x + 3y - z = -14

II. Circle the best word or phrase (A, B, C or D) to complete each sentence below (2points) 1. The Japanese eat a lot of fish and healthy food,______ they live for a long time. A. so B. because C. or D. but 2. Did you buy _______ bottle of cooking oil yesterday? A. some B. a C. any D. an 3._________! Can you tell me the way to the post office? A. Thank you B. All right C. Listen D. Excuse me 4. Last year, Phuc participated in _______ funds for street children. A. raising B. making C. gathering D. taking 5. She __________ blood twenty times so far. A. donates B. has donated C. is donating D. to donate 6. ___________ to England? -Yes, I went there three years ago. A. Did you ever go B. Do you ever gone C.Were you ever D. Have you ever been 7. Nam: _____________________? What should we do first? Nga: First, put some cold water in a pot and heat it until it boils. Then …. A. Can you tell me the way to your house? B. Can you tell me how to cook rice please? C. Can you help me with my homework? D. Can you cook? 8. The photos are not really clear, and the writing isn’t, _________. A. so B. too C. either D. neither 9. We hate the dishes. A. wash B. to wash C. washing D. washes 10. There isn’t _______________ for dinner, so I have to go to the market. A. any left B. some left C. any learning D. some leaving III. Write the correct form of each verb in brackets to complete the following sentences (1point) 1. She often (go) ......................... to the market with her mother every weekend. 2. We (visit) ...................... Hue next month. 3. My younger sister (collect) ................. dolls two years ago. 4. .................. you ever (do) ................. volunteer work ? 5. The letters (send) ………………….. everyday.

V. Correct the wrong sentences: 1. I’m not go to the cinema every morning. ……………………………………… 2. She’s eat her breakfast now…………………………………………… 3. Hoa not watching TV at present. ……………………………………………… 4. Tan must to get up early. ………………………………………………

Đề1: vẽ chibi buồn Đề 2:anime buồn Đề 3: Đậu mầm buồn chon 1 đề

II. Give the correct tenses of the verbs in brackets : 1. My friends and I (be)………………………… students .2. The children (play) in the park at the moment. 3. …………………….you (go)………………………….. to school everyday? 4. My mother (cook) ………………………a meal now. She ( cook)…………………… everyday 5. What your mother (do)…………………………. Now? - She (watch)……………………TV. 6. She always (brush)…………………………… her teeth after meals. IV. Complete the sentences with “can - can’t - must - mustn’t”: 1. This sign says: No right turn. You …………… turn right. But you ……………… turn left or go straight ahead. 2. There is an intersection ahead. You ………………… slow down. You …………………… go fast. 3. There is a stop sign. I ………………… stop there

So sánh các cạnh của tam giác ABC biết Góc 5a=góc 3b , góc c = góc 2b

giúp mình với ạ đúng mình cho 5*+CTLHN

Giải nhanh . . . . . . . . . Help