các bạn giúp minh với mình cần gấp chiều nay nộp rồi
$^{1}$ Tìm số nguyên x sao cho: a) x + 25 = - 63 - (- 17) b) x –(- 20)= 75 – 95 c) 2x – 15 = -11 – (- 16) d) 7 - 2x = - 37 – (- 26) $^{2}$ Tìm số nguyên x sao cho: a) 24 - ( x- 6) = 125 + (57-125) b) -34+ (21- x) = - 3746 – ( 30 – 3746) c) x+3 - (8-x) =x+4 d) 2x – 15 = x+8
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mong được mn giúp trả lời ạ
Giúp mk câu d thôi ạ...mk không bik làm Giúp mk với cho tận 20đ lun đấy Giúp mk đi
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I. Multiple choice: 1. - “I’ve just passed the final exam.” - “ ________________” A. Try harder next time B. Congratulations! C. Good luck D. It’s nice of you to say so 2. He finally won his ____________ after twenty years in prison. A. slavery B. slaver C. free time D. freedom 3. This is the boy about _________________ I told you. A. who B. whom C. whose D. when 4. My mother usually holds big parties to _____________ our birthdays. A. congratulate B. celebrate C. souvenir D. welcome 5. How can I distinguish her __________ her sister ? A. with B. to C. about D. from 6. The father ________ his daughter a hug. A. gave B. sent C. took D. made 7. We often ______________ our house before Tet holiday. A. build B. buy C. gather D. decorate 8. The man _____________ on the bench is my new history teacher. A. sits B. sat C. sitting D. is siting 9. Mary is the woman ____________ house is the biggest one in the town. A. who B. whom C. that D. whose 10. Auld Lang Syne is a song which is sung on _____________. A. Easter B. Christmas C. New Year’s Day D. New Year’s Eve 11. People in Israel are going to celebrate their festival ____________ called Passover. A. which is B. which was C. which are D. in which 12. “ You’ve done it so well” – “ ___________________.” A. Yes, of course I have C. I’m sure I have B. That’s very kind of you D. Yes, certainly I have 13. ________ of the fact that we are very hungry, we can’t eat anything. A. In spite B. despite C. In case D. Although 14. I’m so __________ of my father and love him so much. A. alike B. proud C. interest D. care 15. “That jacket looks really great on you” – “ ____________________.” A. Well done B. That’s great C. Yes, of course D. Thanks 16. My parents do not work today, because it is a(n) ___________. A. off day B. national holiday C. festival D. national day 17. Family members who live ___________ try to be together at Tet. A. away B. separate C. apart D. distant 18. Let me ____________ you on your success in the examination. A. encourage B. congratulate C. celebrate D. distinguish 19. “Would you like some bread?” – “ _____________. I’m rather hungry.” A. No, thanks B. Yes, I like C. Yes, please D. No, I wouldn’t 20. Last week, I came back to the village __________ I grew up. A. where B. which C. that D. who II. Word forms: 1. Our neighbors are very _____________. They never care about other folks. (consider) 2. Do you know the reason for _____________Mother’s day? (celebrate) 3. Speech ___________human beings from the animals (distinguish) 4. They were ____________ to learn that their son had not been injured in the accident.(joy) 5. When will you finish the _____________ of your house? ( decorate) 6. The candies melt and become____________ if you keep them in the pocket. (stick) 7. He was surprised to find his name on the list of __________. (nominate) 8. Her friends take advantage of her__________. ( generous) 9. ____________ on your promotion. We must go out and celebrate! (congratulate ) 10. People sang Auld Lang Syne ____________on New Year’s Eve (joy)
Tìm các từ cùng nghĩa với "đất nước"và đặt 1 câu trong các từ tìm được
Hòa tan 3,6g hỗn hợp 2 muối CACO3 và MgCO3 bằng dung dich H2SO4 dư thu đươc 0,896 lít khí CO2(đktc) a,tính thành phần % số mol mỗi muối trong hỗn hợp b,Tính tổng khối lượng muối Sunfat sinh ra
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