Viết 7 hằng đẳng thức đáng nhớ với: a) A = 2x; B = 1 b) A = 3x; B = 1

viết một đoạn văn ngán từ 5-10 câu có sử dụng ít nhất 5 từ láy giúp e vs ạ !!!

Mình sẽ vote 5 sao và ctlhn nha

Mọi người giúp mình mấy câu này với

tìm min: $(x-y)^{2}$ + $(x-1)^{2}$ + $(x-5)x^{2}$ + 2001

Exercise 1: Hoàn thành những câu sau đây với although/in spite of/because/because of 1. …Although……….. it rained a lot, we enjoyed our holiday. 2. I went home early ………………………….. I was feeling unwell. I went to work the next day ………………………….. I was still feeling unwell. 3. I managed to get to sleep …………………………. there was a lot of noise. I couldn’t get to sleep ………………………. the noise. 4. …………………. all our careful plans, a lot of things went wrong. ………………….. we’d phoned everything carefully, a lot of things went wrong. 5. She only accepted the job ………………………. the salary, which was very high. She accepted the job …………………………… the salary, which was rather low.

vẽ mầm ạ NL: còn 20' nx thi r, cần làm một lời chúc để bớt căng thẳng

Cho $\dfrac{a}{c}$ = $\dfrac{c}{b}$, chứng minh rằng:

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TÌM LỖI SAI VÀ SỬA LẠI CHO ĐÚNG 1. My mother asked me if I could help her do gardening tomorrow. 2. Jim wondered if to buy a new radio or fix his old one. 3. Peter asked me was I free that weekend. 4. I wanted to know who was the winner of that competition. 5. They said that Peter can’t make it to the final show. 6. My manager asked if I have finished my work yet. 7. Peter said that he was going to get married following month. 8. She asked me what had I done the previous day. 9. Now I just don’t know whether to leave or stayed. 10. Mr. Brown said that he would get promotion by the end of this year.