rút gọn biểu thức sau A=1/x+ √x+2 √x/x-1-1/x- √x ĐK: x>o , x khác 1

Xin mọi người hãy giúp tấm thân này

giải bài 5 hộ mình nha đây là bài phân tích đa thức thành nhân tử bằng phương pháp nhóm hạng tử nha

tìm txđ của hàm số y=sin(x-pi/2)+cos2x

8. “I must tell you about everything I found in this room,” said he. He said 9. “I am sick today,” said the boy. The boy said 10. The little girl said, “I was sick yesterday.” The little girl said 11. “My children don’t understand German,” said the woman. The woman said 12. She said to Mary, “I never forgot the good time we had last year.” She said to Mary

I.Fill in gaps with can, can’t or could. Then, say what they express in each sentence. 1. A: Mum, … I go on holiday with my friends this year? B: I’m afraid you … You’re too young. 2. A: Sir, I need to leave work early tonight, if that’s possible. B: You … leave early if you finish all your work first. 3. A: My mum always sail that I was a clever child. B: What do you mean? A: Well, I … read and write when I was four years old. 4. A: It’s raining, so we … go out tonight. B: Well, we’ll stay in then. A: But, I want to do something nice. I’m bored. B: We .. play chess . 5. A: Excuse me? B: Yes. A: … you tell me the time, please? B: Yes, it’s almost 2 o’clock.

6. Mary said, “I have been here for a few days. ” Mary said 7. Mr. Pike said to Daisy, “I didn’t meet your father yesterday.” Mr. Pike said

Ai đó giúp tôi với ạ. Xin cảm ơn nhiều lắm ạ

Em hay kể về một di sản văn hóa vật thể mà em biết(tối đa 200 chữ) Ai nhanh nhất có thưởng...

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