Gọi số có 2 chữ số đó là: ab (a$\neq$ 0 ) ⇔ ab=10a+b
tổng 2 cs bằng 16⇒ a+b=16
Nếu viết xen cs 0 vào giữa thì ta đc số có dạng : a0b ⇔ a0b=100a+b
vì số mới lớn hơn số ban đầu 630 đv ⇒ 100a+b -630= 10a+b ⇔a=7 ⇒b=9
Complete each sentence using a verb from A in the correct form and a particle from B. You can use any particle more than once. A: turn bring deal live break set keep go give run B: out down with up on off 1. Don't _____________practising. You're making good progress. 2. Mai____________________her stress by taking up yoga. 3. Hoang was sad because he failed to________________to his parents' expectations. 4. If they_____________________cutting down trees, the city will lose its beauty. 5. Our band has just___________________ our second album. 6. We missed the beginning of the film since our motorbike _______________ on the way to the cinema. 7. She wanted to knit a scarf, but she ______________of wool before she was finished. 8. If you don't________________ with your regular exercise, you'll gain more weight. 9. Their proposal to build another skyscraper in the city has been_______________as it may be dangerous. 10. What time do you want to _______________for Hai Duong?
giúp mình với ạ mình hứa sẽ vote đủ
1. I have a lot of books, ....... which I haven't read. A. many of B. most of C. some of D. all are correct 2. I'm sorry. I haven't got any money. I've ....... my wallet at home. A. missed B. left C. let D. forgotten 3. If someone ....... into the store, smile and say, " May I help you?" A. comes B. came C. would come D. could come 4. The children have gone ....... A. for shopping B. to shop C. shopping D. to shopping 5. Life on earth ....... destroyed unless nuclear tests stop. A. would be B. will C. will be D. is 6. The doctor succeeded ....... the patient's life. A. when he saves B. saving C. to save D. in saving 7. She eats too much and now she is ....... A. weighed B. weight C. overweigh D. overweight 8. Lots of people ....... yoga to relax. A. give up B. take up C. do D. make 9. The people ....... thought he was a bit strange. A. which he worked with B. with which he worked C. with whom he worked D. he worked with 10.A musician is a person ....... music. A. who plays B. whose C. who play D. which plays
Tác phẩm “Bài thơ về tiểu đội xe không kính” của Phạm Tiến Duật ngợi ca những phẩm chất tốt đẹp của người lính, một trong số đó là ý chí, nghị lực vượt qua khó khăn, gian khổ . Từ ý nghĩa của bài thơ và sự hiểu biết của bản thân, hãy nêu suy nghĩ của em về ý chí và nghị lực bằng một đoạn văn khoảng 2/3 trang giấy thi.
dạ đề lý đây ạ, mọi người giúp bé với:<<
Choose the correct word for each blank in the following passage. Spring is a time when there are many festivals in our country. Among them, Hoa Ban Festival is the most beautiful and interesting and it takes place in Lai Chau. It is typical of the (1)………life of the Thai people. In the second lunar month of the year, when it (2) ……..warmer and hoa ban - a kind of beautiful flower in the northwest mountainous area - blossoms, Hoa Ban Festival is (3)………... This is a great time for everyone, (4) …………… for boys and girls. The boy (4)………… the most beautiful flower and gives it to his girlfriend. This is not only a time for love but also for the Thai people to (5)………..for good crops, for happiness, and express their special thanks to the Gods and (6) …………... The festival is always full of songs and prayers. 1. A .minor B. cultural C. custom D. festival 2. A. gets B. goes C. comes D. runs 3. A. seen B. arranged C. observed D. celebrated 4. A. largely B. especially C. generally D. typically 5. A. ask B. look C. pray D. call 6. A. fathers B. relatives C. families D. ancestors Help, cần gấp khoanh theo cảm hứng đi :((
Cho $2g X$(rắn) tác dụng $5g Y$(khí),sử dụng phép thuật Nalosi Đũa phép Ngàn mặt trời,biến đổi $X$ sang khí và $Y$ sang rắn.Hỏi chất nào dc sinh ra từ"Đũa phép Ngàn mặt trời"?
Past simple or past perfect GOOD LUCK, BAD LUCK các từ cần điền: Be, become, begin, buy, faint, give, hear, look, remember, tell, win That Saturday was both the happiest and the worst day in Jack’s life. It was the happiest because he ______the lottery and the worst because he couldn’t find his lottery ticket! After he and his wife (2)___________everywhere for it, he (3)___________to panic. Then he (4)___________something. On the day he (5)_________the lottery ticket, he had been wearing his old brown jacket. The ticket (6)________in the pocket! As soon as he (7)_______his wife, her face (8)___________white. The previous day, she (9)________away the jacket to a lady who collected clothes for the homeless! Jack (10)________never before in his life but as soon as he (11)___________this, he did! (continued in the next…)
Read the passage carefully. Some people call it “Vu Lan Bao Hieu” (Parents’s Appreciation Day). This festival takes place on the 15th day of the seventh lunar month. It is one of the largest festivals of Viet Nam afetr the Tet festival, and it is celebrated throughout the country, especially in the south. During the festival, people participate in many goodwill acyivities and perform various religious rituals. They visit pagodas and temples to worship, release animals like birds or fish abd burn incense. They also buy presents and flowers as their offerings to show their deep love and gratitude towards their parents and ancestors. Many people go to pagodas on this occasion, wearing either a red rose if their mothers are alive or a white rose if their mothers have passed away. The rose is a symbol of love and gratitude shown by every family towards their ancestors. Statements T F 1. Vu Lan takes place on the 15th day of the seventh lunar month 2. Vu Lan is celebrated only in the south 3. Vu Lan is the largest annual traditional festivals of Viet Nam 4. People buy presents and flowers as their offerings to show their deep love and gratitude towards their parents. 5. Many people visit pagodas during the festival, wearing a red rose if their mothers are alive.
Rút gọn phân thức 6x(3x+7)-2x(9x-5)
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