Làm hộ mình với bài này khó quá

Tìm số tự nhiên có 2 chữ số biết rằng tổng của số đó với số của nó bằng 65?

(x² + 1)(x - 3) = 0 TÌM X GIÙM MIK NHA !!!

Đề 7 I. Find the word with the different underlined sound. 1. A. washed B. needed C. danced D. matched 2. A. obey B. key C. grey D. survey 3. A. ways B. days C. says D. stays II. Find the word which has a different stress pattern from the others (0,5 marks) 4. A. common B. happy C. complete D. joyful 5. A. dangerous B. expensive C. enormous D. convenient

I. Give the correct forms of the words in brackets . 1. A buffalo ploughs _______ than a horse. (GOOD) 2. When you game online, be _____when you ‘ make friends’ with strangers. (CARE) 3. Our house is very far from the shops. It’s very _______________ (CONVENIENT) 4. Playing tennis is one of his favorite______________. (ACT) II. Use the words in the box to complete the sentences. victims - tornado - struck - contaminated - provide - emergency - state 5. Alaska is perhaps the most amazing ________ in the USA. It has over three million lakes. 6. The government has declared a state of _____ following the earthquake. 7. Many countries have sent humanitarian aid to the earthquake ________. 8. Thousands of buildings and houses were completely destroyed when the earthquake ___________ the city. 9. Don’t drink that water. It’s_______________. 10. A ______________is a violent storm with very strong winds which move in a circle. III. Choose the best answer: 11. After a month, Hoa got used to ………………. in her new school. A. study B. studying C. studied D. is studying 12. She told me ……… up too late. A. don’t stay B. not to stay C. not stay D. to not stay 13. Her son was absent from school …………… of his illness last Tuesday A. because B. instead C. though D. but 14. That child ……… to go at once . A. will B had better C. has D. have 15. The front yard is …………. to play soccer in. A. small too B. so small C. too small D. very small 16. My brother feels …………… again after his operation. A. strongly B. strength C. strong D. enough strong 17. He doesn’t enjoy …………… basketball A. to play B. plays C. played D. playing 18. This form must have the ……………. of the writer. A. to sign B. signature C. signing D. sign. 19. Jane and Jack stood in front of the mirror and looked at........................ . A. herself B. himself C.theirselves D. themselves 20. Susan is the ........................... of the three girls. A. prettier B. prettiest C. pretty D. prettily

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Viết 1 BÀI VĂN chứng minh rằng văn chương “luyện những tình cảm ta sẵn có”. Chỉ “luyện những tình cảm ta sẵn có” thôi nhé!!! 1 BÀI VĂN CHỨ KO PHẢI 1 ĐOẠN VĂN Ko spam + ko chép mạng Mong các chuyên gia hay MOD như li2k5 giúp ạ!