calli chữ Chị Bơ nhaa . màu tùy chọn Nhưng Nhất định phải ĐẸP ,CÓ TÂM vào kí hay khong tùy bạn

Làm giúp em với ạ. Em đang cần

trong vườn bách thú có số con sư tử bằng 2/3 số con hổ .trung bình mỗi ngày mỗi con hổ hay sư tử ăn hết 9 kg thịt .trong một đợt 20 ngày người ta cho cả hổ và sư tử ăn hết 2 tấn 700 kg thịt.hỏi trong vườn có bao nhiêu con mỗi loại

Tính a) 8($\frac{x}{2}$+y)$x^{3}$ b) 6(x+2y)$x^{2}$

Máy lag quá: giải câu 2+6 sẽ có CTLHN

HELPPPP MEEEE 5 SAO KHI LÀM NHANH NHẤT

Tìm GTLN : a) ` (12) / (3 + |5x + 1|+|2y-1|)` b) ` (5) / (4x ² + 4x + 2y + y ² + 3)`

Giải giúp em với mọi người ơiiii

Exercise 3: Rewrite the sentences, beginning with the words in parentheses: 1. She has plenty of money, but she is very mean. (although) ______________________________________________________________ 2. They have a car, but they rarely use it. (though) ______________________________________________________________ 3. He was innocent, but he was sent to prison. (although) ______________________________________________________________ 4. He has a number of relatives living nearby, but he never visits them (even though) ______________________________________________________________ 5. She never takes any kind of exercise, but she is quite fit and healthy. (even though) ______________________________________________________________ 6. The keyboard wasn’t working well. She tried to finish the letter (although) ______________________________________________________________ 7. The forecast said it would rain. It turned out to be a beautiful day. (although) ______________________________________________________________ 8. I’m no better. I’ve taken the bill. (even though) ______________________________________________________________ 9. The traffic was bad. I arrived at the airport on time. (though) ______________________________________________________________ 10. I didn’t get the job. I had all necessary qualifications. (though) ______________________________________________________________ 11. We enjoyed the vacation. It rained a lot. (although) ______________________________________________________________ 12. She felt sick. She went to work. (though) ______________________________________________________________ 13. I was really tired. I couldn’t sleep. (even though) ______________________________________________________________ 14. He is very rich. He isn’t happy. (although) ______________________________________________________________ 15. She couldn’t answer the question. She is very intelligent. (though) ______________________________________________________________

phần tích đa thức thành nhân tử A=4x^2-8x+3 bằng hai cahcs