Tìm x , biết x+2/5 + x+2/4 = x+2/3 + x+2/2

Vẽ anime girl cute! Hogs hớt các idol:>

Mong mn giúp mk giải nhanh bài này ạ. Mk cảm ơn mn

2. Hoa and Nam А. am playing the piano. D. be В. is C. are 3. They are waiting the train D. in A. to C. for В. of There is an intersection ahead. We 4. slow down. D. should А. can C. mustn't В. can't places. B. danger - How does he travel to work? В. Ву 7. He is driving a truck. He is a 5. Roads are D. easy A. dangerous C. difficult car. 6. А. On С. In D. And С. racer D. driver A. truck B. rider soccer in the school yard. C. is playing 8. The children A. is play B. are play D. are playing

Đề dài nên em lấy điểm cao chứ ko khó ạ 11. Ca(H2PO4)2 + Ca(OH)2 Ca3(PO4)2 + H2O. 12. CxHy(COOH)2 + O2 CO2 + H2O. 13. KHCO3 + Ca(OH)2(d­) K2CO3 + CaCO3 + H2O 14. Al2O3 + KHSO4 Al2(SO4)3 + K2SO4 + H2O. 15. Fe2O3 + H2 FexOy + H2O. 16. NaHSO4 + BaCO3 Na2SO4 + BaSO4 + CO2 + H2O. 17. H2SO4 + Fe Fe2(SO4)3 + SO2 + H2O. 18. H2SO4 + Ag Ag2SO4 + SO2 + H2O. 19. Ba(HCO3)2 + Ca(OH)2 BaCO3 + CaCO3 + H2O. 20. Fe2O3 + HNO3 Fe(NO3)2 + H2O 21. FexOy + O2 Fe2O3. 22. MnO2 + HCl MnCl2 + Cl2 + H2O. 23. NaCl + H2O NaOH + Cl2 + H2. 24. KMnO4 + HCl KCl + MnCl2 + Cl2 + H2O. 25. KMnO4 + NaCl + H2SO4 Cl2 + H2O + K2SO4 + Na2SO4 + MnSO4. 26. Fe3O4 + HCl FeCl2 + FeCl3 + H2O. 27. FeS2 + O2 Fe2O3 + SO2. 28. Cu + H2SO4(đặc) CuSO4 + SO2 + H2O. 29. FexOy + CO FeO + CO2. 30. FexOy + Al Fe + Al2O3.

Để cho cây lúa không bị đổ lúc bông lúa sắp chín, người ta bón phân gì? Vì sao phải sử dụng loại phân đó

Phân tích đa thức thành nhân tử x^2-5x+6 3x^2+9x-30 3x^2-5x-2 x^3-7x-6 x^4+2x^3+6x-9 x^2-7xy+10y^2 Giúp mình với 😭😭😭

Theo em chúng ta nên khoe những cái gì ?

Mọi người hướng dẫn giúp mình với, mình sẽ vote thật nhiệt tình cho bạn nào giúp mình.

1. The weather is very cold , so they can not go swimming -> the weather is so................... 2. I have never been to france before -> it is the first time that .................. 3 . He is getting them to mend the windows -> he is having the windows................ 4. They made her hand over her passport -. she was.................. 5 I tired to eat the cake , but it was too sweet -> it was shuch......................... 6 I often get up early in the morning . -> i am used.................... 7 Getting a good job does not interest him -> he is not ................. * The garden is too small to play football in -> the garden isnot big ..............