Một miếng đất hình thang có đáy lớn 78m, đáy bé 55m. Nếu tăng thêm đáy lớn 12m, đáy bé 8m về cùng một phía thì s miếng đất sẽ tăg thêm 500m2. Tính Chiều cao Diện tích đất khi tăng thêm

Mn giúp em với ạ Em đang cần gấp ạ, mong mn giúp em

Biểu thức 6b-b² -10 <0 với mọi x

8 hộp có 96 cái kẹo . Vậy 5 hộp kẹo có mấy cái

Exercise 2: Using the given information, make conditional sentences with IF 1. He didn't hurry, so he missed the train. → If ................................................................................................................... 2. We didn't go because it rained. → If it hadn't .................................................................................................... 3. We got lost because we didn't have a map. → If we ............................................................................................................. 4. He lost his job because he was late every day. → If he .............................................................................................................. 5. The airport was closed. She didn't fly to Rome. → If ................................................................................................................... 6. Sue felt sick because she ate four cream cakes. → If Sue ............................................................................................................ 7. My brother didn't leave the car keys, so I couldn't pick him up at the station. → If my brother ................................................................................................ 8. We didn't go on holiday because we didn't have enough money. → If we ............................................................................................................. 9. He didn't have the ticket to the game last week. He wasn't be able to get in. → If ................................................................................................................... 10. Robert got a bad cough because he started smoking cigarettes. → If Robert .......................................................................................................

16. If you had told me that he never paid his debts, I (not lend) _____him the money. 17. If you (not sneeze) _____,he wouldn't have known that we were there. 18. If you (put) _____some mustard in the sandwiches, they would have tasted better. 19. The hens (not get) _____ into the house if you had shut the door. 20. If he had known that the river was dangerous, he (not try) _____to swim across it. 21. If you (speak) _____ more slowly, he might have understood you. 22. If he had known the whole story, he (not be) _____ so angry. 23. I shouldn't have eaten it if I (know) _____that there was ginger in it. 24. If I (try) _____ again, I think that I would have succeeded. 25. You (not get) _____ into trouble if you had obeyed my instructions. 26. If you hadn't been in such a hurry, you (not put) _____sugar into the sauce instead of salt. 27. If I (be) _____ready when he called, he would have taken me with him. 28. She had a headache; otherwise she (come) .................with us. 29. If she had listened to my directions, she (not turn)............... down the wrong street. 30. If you (look) _____ at the engine for a moment, you would have seen what was missing.

`1 : Tìm x, y` `x/3 = y/6 = 16/12`

tìm điều kiện xđ của 1/(căn x)-1

Exercise 1: Put the verbs in the brackets in the correct tense 1. If I had known that you were in hospital, I (visit) _____ you. 2.You would have seen my garden at its best if you (be) _____ here last week. 3. I shouldn't have believed it if I (not see) _____ it with my own eyes. 4. If he had asked you, you _____(accept) ? 5. If I (know) _____that you were coming, I'd have baked a cake. 6. If I (had) _____a map, I would have been all right. 7. The hens (not get) _____. into the house if you had shut the door. 8. If he had known that the river was dangerous, he (not try) _____ to swim across it. 9. If you (speak)_____more slowly, he might have understood you. 10. If he had known the whole story , he (not be) _____so angry. 11. I (offer) _____ to help him if I had realized that he was ill. 12. If you had left that wasp alone, it (not sting) _____you. 13. If I (realize) _____what a bad driver you were, I wouldn't have come with you. 14. If I had realized that the traffic lights were red, I (stop) _____ 15. But for the fog, we (reach) _____ our destination ages ago.

2/3 -1/4 +5/11 _______________ 5/12 +1 -7/11 tính bằng cách thuận tiện ai làm được thì nhanh lên mik sắp nộp rồi