Phân số chỉ số bóng màu vàng là :
`1 - 1/2 - 1/3 = 1/6` (số bóng )
Đáp số : `1/6` số bóng màu vàng
Đáp án:
Coi cả hộp bóng là 1 đơn vị
Phân số chỉ số bóng bóng màu vàng là :
1 - ( 1/2 + 1/3 ) = 1/6 ( số bóng )
Đáp số : 1/6 số bóng màu vàng.
Học tốt ^^
cho hai góc kề bù AOB và aoc với góc AOB bằng 120 độ tính số đo góc AOC.b.Trên cùng một nửa mặt phẳng bờ BC chứa tia OA,vẽ tia COD=118°. Tính số đo AOD.c.Tia OD là tia phân giác của góc nào?Vì sao?
Kết tủa là gì v ạ nói cụ thể giúp mik vs ,là từ rắn sang lỏng hay lỏng sang rắn vậy
Giúp em câu e , g,h với ạ nhanh dùm em ạ cần gấp . Chi tiết nhé mọi người . CẢM ƠN Ạ
bạn nào giúp mình làm câu này với. Mình cảm ơn ạ đề bài kêu Phân tích các đa thức sau thành nhân tử nha. 4x2y – 12xy + 8x2y2
toanf trawcs nghieem tooi cacs bn lm giups mik trc 3h 36. It _______ that the strike will end soon. A. is expected B. expected C. are expected D. was expected 37. It is _______ that many people are homeless after the floods. Passive voice - thaonguyenLDK A. was reported B. reports C. reported D. reporting 38. He was said _______ this building. A. designing B. to have designed C. to design D. designed 39. Ted _______ by a bee while he was sitting in the garden. A. got sting B. got stung C. get stung D. gets stung 40. These tennis courts don’t _____ very often. Not many people want to play. A. got used B. used C. get used D. get use 41. I’ll get Minh _______ this for you. A. do B. done C. did D. to do 42. Those letters _______ now. You can do the typing later. A. need typing B. needn't be typed C. need to type D. needn't typing 43. “What a beautiful dress you are wearing”- “thanks, it_______ especially for me by a French tailor.” A. is made B. has made C. made D. was made 44. Somebody cleans the room every day. A. The room everyday is cleaned. B. The room is every day cleaned. C. The room is cleaned every day. D. The room is cleaned by somebody every day. 45. People don’t use this road very often. A. This road is not used very often. B. Not very often this road is not used. C. This road very often is not used. D. This road not very often is used. 46. How do people learn languages? A. How are languages learned? B. How are languages learned by people? C. How languages are learned? D. Languages are learned how? 47. Over 1500 new houses _______ each year. Last year, 1720 new houses _______. A. were built/were built B. are built/were built C. are building/were built D. were built/were built 48. Tom bought that book yesterday. A. That book was bought by Tom yesterday. B. That book was bought yesterday by Tom. C. That book yesterday was bought by Tom D. That book was bought yesterday. 49. The new computer system _______ next month. A. is be installed B. is being installed by people C. is been installed D. is being installed 50. Traffic rules____________ strictly. A. followed B. must followed C. must be followed D. must follow
mn ơi giúp mình mấy câu này với ạ
Viết 1 đoạn văn từ 10 đến 15 câu về mái ấm gia đình của em
giải bài 3 hình 3 hộ mình chỉ hình 3 thôi nha
Có 4 bao gạo. Trong đó một bao nặng 150 kg gạo, 3 bao cònlại mỗi bao nặng 125kg. Hỏi tất cả có bao nhiêu kỉ lô gam gạo?Tóm tắt:Có : 4 bao gạoTrong đó 1 bao nặng: 150 kg gạo
trc 3h 21. “Ms Jones, please type those letters before noon”_ “They’ve already ______, sir. They’re on your desk.” A. typed B. been being typed C. being typed D. been typed 22. Sarah is wearing a blouse. It_______ of cotton. A. be made B. are made C. is made D. made 23. They had a boy _______ that yesterday. A. done B. to do C. did D. do 24. We got our mail _______ yesterday. [have/get sth done] A. been delivered B. delivered C. delivering D. to deliver 25. James_______ the news as soon as possible. A. should tell B. should be told C. should told D. should be telled 26. My wedding ring _______ yellow and white gold. A. is made B. is making C. made D. make 27. Mr. Wilson is _______ as Willie to his friend. A. known B. knew C. is known D. know 28. References _______ in the examination room. A. not are used B. is not used C. didn’t used D. are not used 29. Laura _______ in Boston. A. are born B. were born C. was born D. born 30. His car needs ________. A. be fixed B. fixing C. to be fixing D. fixed 31. Her watch needs _______. A. repairing B. to be repaired C. repaired D. A and B 32. My mother is going _____ this house. A. sold B. sell C. to be sold D. to sell 33. There’s somebody behind us. I think we are _______. A. being followed B. are followed C. follow D. following 34. Have you _______ by a dog? A. bite B. bit C. ever been bitten D. ever been bit 35. The room is being _______ at the moment. A. was cleaned B. cleaned C. cleaning D. clean
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