Ý nghĩa của giai đoạn ấu trùng trai bám vào mang cá và da cá là gì: A.Để đc bảo vệ B.Tránh bị động vật khác ăn thịt mất C.phát tán giống nòi đi xa D.Lấy chất dinh dưỡng từ cá

Ai có câu trả lời dễ hiểu hơn mình cho CTLHN nhé

1.- Doctor, I’m not ill, ... a) are you? c) aren’t I? b) am I? d) do I? 2.- I should phone my parents more often, ..? a) don’t they? c) shouldn’t I? b) are they? d) shall I? 3.- She’s worked for that firm for a long time, ………….. a) isn’t she? c) does she? b) hasn’t she? d) doesn’t she? 4.- You’d help me if you could, .....? a) couldn’t you? c) don’t you? b) wouldn’t you? d) do you? 5.- She’s already got up, ... a) hasn’t she? c) isn’t it? b) is she? d) doesn’t she? 6.- You never listen, ... a) don’t you? c) aren’t you? b) do you? d) listen you? 7.- You’d already been there, ... a) hadn’t you? c) were you? b) didn’t you? d) did you? 8.- There wasn’t any post for me yesterday, ..? a) wasn’t I? c) was there? b) was it? d) didn’t it 9. - It’s the first time you’ve been here, a) have you? c) don’t you? b) isn’t it? d) aren’t you? 15.- Mary doesn’t know I’m here, .....? a) am I? c) do I? b) does she? d) don’t I?

phân tích đa thức thành nhân tử 1, 4x^2-y162+4x+1 2,x^3-x+y^3-y 3,x^2-x-y^2-y 4,x^2-2xy+y^2-z^2 5,x^4+2x^3+x^2

Ai có câu trả lời dễ hiểu hơn mình cho CTLHN nhé

Đề bài : Trục căn thức ở mẫu và rút gọn

Làm sao lưa bài trong canva vậy

nghiệm của đa thức có 6 dạng: dạng 1 cm xác định xem 1 gtri x cho sẵn có phải nghiệm hay ko dạng 2 a mũ chẵn lớn hơn hoặc = 0, a mũ chẵn bằng âm => vô nghiệm dạng 3 tìm nghiệm của đa thức dạng a.b=0 dạng 4 tìm nghiệm của đa thức có nhân tử chung a.b+a.c = a.(b+c) dạng 5 ????? dạng 6 ??????? mn giúp mình nha!!! cảm ơn ạ!!!!!

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Viết lại các câu sau theo cấu trúc câu điều kiện 1. She cannot cook because she feels very tired today. 2. He was so timid in love, so he lost her. 3. Jane helps me survey the market, so I plan to share a commission with her. 4. You cannot understand me because you are a rich man. 5. Tim drinks too much alcohol every day, that’s why he is hospitalized for treatment. 6. Kate likes K-pop music, so she spends the money to buy tickets for the concert. 7. He has many beloved girls, that’s why he becomes so arrogant. 8. My health improves better because I exercise daily. 9. I didn’t eat dinner with everyone, so I feel very hungry now. 10. He got fired because he was too lazy. 11. Stay away from this place or I’ll report the area’s security. 12. You always complain about everything that happens in your life, that’s why I never want to work in a team with you. 13. Follow the instructions or you will ruin everything. 14. People will not go camping in this stormy weather. 15. I love art, that’s why I organized this exhibition.