Tính nhanh
11.56+11.44+45.15-35.15
=11.( 56+44) + 15.(45-35)
=11.100+15.10
=1100+150
=1250
=11(56+44)+15(45-35)
CHÚC BẠN HỌC TỐT!!!!!!!
CHO MÌNH XIN 5 SAO+CÂU TRẢ LỜI HAY NHẤT NHA,THANKS
câu hỏi nay mình học ko có từ vựng điền vao nên thông cảm
Mình còn từng này điểm thôi Mong mn giúp mình ạ ❤️ Mình cảm ơn trước ạ ❤️❤️
gấp gấp mọi người owiiiii, giúp mìnhhhh
Một chiếc ca nô xuôi khúc sông AB hết 2 giờ và ngược khúc sông BA hết 4 giờ. Hỏi một cái phao trôi tự do theo dòng nước hết mấy giờ?
Mọi người giúp em bài này vs ạ ! Em cảm ơn nhiều ạ
III. Choose the word (A, B, C or D) that best fits the space in the following passage. (1.5 pts) The natural (13)…………………called “Tidal waves” often occur suddenly. They are the result of an (14)…………………shift in the underwater (15) ………………..of the earth. In the late 2004, a series of tidal waves (16)……………. the beaches of Indonesia, Thailand and some other Asian countries. The famous resorts such as Phuket and Fifi were completely (17) ……………….. . A large (18) …………………of people were killed in those disasters. 13.A. disaster B. disastrous C. disasters D. disastrously 14.A. expect B. abrupt C. unnecessary D. occurred 15.A. celebration B. congratulation C. collection D. movement 16.A. struck B. suck C. erupt D. travel 17.A. occurred B. destroyed C. caused D. sucked 18.A. number B. House C. Highway D. home IV. Read the following passage.Decide if the statements from 19 to 22 are True or False and choose the correct answer (A, B, C or D) for the questions 23 and 24. (1.5 pts) Electricity is the most common form of energy today. In the modern world electricity is very available at the touch of a switch. Electricity has many uses. The most common use of electricity is to provide artificial lighting. In factories, electricity is used to light up the workplace. It is also used to operate airconditioners, computers and many other machines. electricity is also used to power the many appliances that we have in our homes. Such appliances include television sets, computers, electric fans, irons and many others. The list is simply endless. Modern man will most probably be lost without electricity. 19. The passage is about a kind of energy. ------------------------- 20. Electricity has a lot of uses. ------------------------- 21. Without electricity, our life will not be affected. ------------------------- 22. The appliances depended on electricity are endless. ------------------------- 23. ------is used to operate household appliances. A. Water B. Coal C. Electricity D. Wind 24. In modern age, electricity is ------for life. A. luxurious B. necessary C. wonderful D. natural V. Use the correct form of the word given in each sentence. ( 1.5 pt) 25. In Viet Nam, there are many ………………….throughout the year. (celebrate) 26. Western consumers are interested in products that will not only work ----, but also save money. (effective) 27. Nowadays ………………..can know when a volcano will erupt. ( science ) 28. …………………., ao dai was worn by both men and women. (tradition) 29. The solar energy doesn’t cause ………………………. (pollute) 30. What should we do ------natural resources? ( preservation) VI. Rearrange the groups of words in a correct order to make complete sentences. (0.5pt) 31.do you/ What / difficult? / do you/ aspect / of learning / English/ find / most / 32. our environment / I / the bins/ suggest / garbage / to keep / clean. / putting/ into 31. ____________________________________________________________________________________ 32. ____________________________________________________________________________________ VII. Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it. (2.0pts) 33. The book has disappeared. It has all the answers. à The book ____________________________________________________________________ 34. Why don’t we go to the countryside this weekend? à I suggest ____________________________________________________________________ 35. The girl doesn’t feel happy. Today is her birthday. à Although ____________________________________________________________________ 36. The river is too dirty for us to swim in. à Since________________________________________________________________________
Ai giải giúp vs đg cần gấp m.n ơi
Chỉ còn nhiêu đây điểm thôi, giúp mình với ạ :((
hãy viết về hình ảnh những người tuyến đầu chống dịch (họ phải khó khăn như thết nào, học sống như thế nào, dịch có giảm không, mở rộng ra mọi người chống dịch) viết trên 300 chữ
a)tìm có số tự nhiên 356abc chia hết cho 5, 7,9 b)S=5+5^2+5^3+...+5^2013 Chứng tỏ rằng S chia hết cho 31
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