x/3=y/5=2 tại sao x/3=2=>x=6 y/5=2=>y=10 sao không x/3=y/5 y/5=2 => x/3=2=>x=6 ạ giải thích giúp mình với xong mình vote 5 sao cảm ơn nhiều ạ giúp mình với

Các câu hỏi liên quan

Chia các động từ sau ở dạng V-ing hoặc to V [[ 1. I can’t afford ________________ that car. It is too expensive. (BUY) 2. You should practice ________________ English everyday. (SPEAK) 3. You neglected ________________ the name of your previous employer. (MENTION) 4. You are requested not ________________ in the restaurant. (SMOKE) 5. You are all forbidden ________________ . (LEAVE) 6. Would you mind ________________ down the radio? (TURN) 7. What do you propose ________________ now? (DO) 8. We'd recommend you ________________ your flight early. (BOOK) 9. We start early ________________ getting traffic jam. (AVOID) 10. We enjoy ________________ cartoons. We have a bunch of them in our USB. (WATCH) 11. We decided ________________ that house because it was close to our kids’ schools. (BUY) 12. Uniforms encourage students ________________ confident. (BE) 13. Try to persuade him ________________ . (COME) 14. They suggest ________________ to the beach. (GO) 15. They refused ________________ extra salary. (PAY) 16. They seem ________________ clearly what they're doing. (KNOW) 17. They knew they risked ________________ when they robbed the bank. (BE ARRESTED) 18. They determined ________________ early to avoid the traffic jam. (START) 19. They are pressing us ________________ a quick decision.(MAKE) 20. They anticipate ________________ to bigger premises by the end of the year. (MOVE) 21. The train begins ________________ down near the station. (SLOW) 22. The doctor advises patients ________________ up smoking. (GIVE) 23. The bus keeps on ________________ in spite of the heavy rain. (RUN) 24. The writer clearly intends his readers ________________ with the main character. (IDENTIFY) 25. The test will involve ________________ questions about a photograph. (ANSWER) 26. The President was forced ________________ . (RESIGN) 27. The poor harvest caused prices ________________ sharply. (RISE) 28. The officer ordered them ________________. (FIRE) 29. The letter instructed him ________________ to headquarters immediately. (REPORT) 30. The law can compel fathers ________________ regular payments for their children. (MAKE) 31. The kids offered ________________ the dishes. (DO) 32. The bank strongly resisted ________________ interest rates. (CUT) 33. Thank you for reminding me ________________ the letter. (SEND) 34. She pretends ________________ my friend but she spoke ill of me behind my back. (BE) 35. She failed ________________ the the full score because she was very careless. (GET) 36. She would have hated him ________________ how her hands shook. (SEE) 37. She refused to tolerate ________________ called a liar. (BE) 38. She imagined ________________ into the office and handing in her resignation. (WALK) 39. She finally consented ________________ our questions. (ANSWER) 40. She begged him not ________________. (GO) 41. She admitted ________________ the car without insurance. (DRIVE) 42. She admits to ________________ strict with her children. (BE) 43. Please try ________________ harder, otherwise you will never be successful. (WORK) 44. Please do not hesitate ________________ me if you have any queries. (CONTACT) 45. Parents are obliged by law ________________ their children to school. (SEND) 46. My mother wants me ________________ a teacher. (BECOME) 47. My father allows me ________________ to the theater tonight. (GO) 48. My sister detested ________________ in public places. (EAT) 49. My parents taught me ________________ French food. (COOK) 50. Leave the rice ________________ for 20 minutes. (COOK)