Giải thích các bước giải:
`Câu 1:`
`5/12 + 7/6`
`= 19/12`
`⇒ Chọn` `B`
`Câu 2:`
`4/5 - 23/15 `
`= -11/15`
`⇒ Chọn` `C`
`Câu 3:`
`x - (-4/5) = 6/20`
`x + 4/5 = 6/20`
`x = 6/20 - 4/5`
`x = -1/2`
`Câu 4:`
`Có:`
`5/16 + 7/8 - 30/32`
`= 19/16 - 30/32`
`= 1/4`
`⇒ Chọn` `D`
2. Choose the most appropriate answer. 1. Our teacher suggested we _____ harder to pass the exam. A. studies B. study C. studying 2. The professor suggested he _____ the research before June. A. summit B. summiting C. summits 3. His leader suggested _____ on time. A. being B. be C. is 4. Chinh suggests they _____ a meeting every week. A. should have B. have C. Both are correct 5. The coacher suggested that they _____ a Insta group. A. have B. has C. having 6. His parents suggest he _____ married as soon as possible. A. get B. gets C. got 7. We have suggested _____ to Paris for this winter vacation. A. going B. go C. should go 8. My older brother suggests that I _____ tennis to have good health. A. should play B. playing C. plays 9. We suggest _____ a postcard to our grandfather. A. send B. sending C. sent 10. I suggested that we _____ John to the party. A. should invite B. invite C. Both are correct 11. It’s so cold outside. We suggest _____ the door. A. should close B. close C. closing 12. My dad suggests that I _____ for some part-time jobs to earn more money. A. look B. looking C. looks 13. Marry has suggested _____ to the park for a walk. A. went B. goes C. going 14. The government suggests _____ by bus to reduce the environmental pollution. A. travel B. traveling C. travelled 15. My roommate suggested that we _____ more vegetables and fruit. A. should eat B. eating C. ate
CALI: happy birthday dad nl:hihi hôm nay sinh nhựt bố
1. Lan ( not have)........................ many friends in her new school. 2. Hung (come)...........................from Vinh but he (stay) ........................with his relatives in Ho Chi Minh city at the moment. 3. We not (drive)..................... to work every day. We (go)...................... by bus. 4. Who you (talk)......................to on the phone now, Minh? 5. Where your new friend ( live)..............................., Nga? - She (live).........................on Hang Bac street. 6. You (be).......................in class 7A ? -No. I (be)........................in class 7D. 7. You should (add) ............ a little salt to the spinach when you boil it. 8. When............ you (buy) ............ this dress? -Two days ago. 9. He tries _____(run) fast to get rid of the ferocious dog. 10. I feel he doesn’t _____(love) me anymore 11. She decided _____ (sell) this car. 12. I enjoy ____(play) football with my family. Do you like (listen) to music? Avoid _____ (make) anything wrong with her. My parents want me _____(married) before 30 years old.
cho biết x-y=15 và x*y=-50. Biểu thức x^3-y^3 có giá trị là bao nhiêu
Giúp toy với õmg vote hết cho ai bl
cho góc ∠xoy, trên hai cạnh ox và oy lần lượt lấy các điểm A và B để cho AB có độ dài nhỏ nhất (vẽ hình)
giúp e câu này vs, chiều e nộp r, e sẽ đánh giá 5 sao và ctlhn cho ạ, e cảm ơn nhiều.
Cho 2,54 gam muối sắt clorua vào dung dịch AgNO3 25% ( vừa đủ ). Sau phản ứng thu được 5,74 gam kết tủa a) Viết phản ứng hóa học xảy ra b) Xác định công thức phân tử của muối sắt clorua c) Tính khối lượng dung dịch AgNo3 đã dùng d) Tính nồng độ phần trăm của muối sắt thu được sau phản ứng.
8. Tính nhanh a) $27^{2}+73^{2}$ +54.73 b) $63^{2}+13^{2}-26.63$ c) $40^{2}-39^{2}+38^{2}-37^{2}+....+32^{2}-31^{2}$
nhớ vẽ hình và giải thích ạ hứa vote 5 sao và câu trả lời hay nhất ạ thanks ạ
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