Make the question for the underlined part. 1. People can avoid some diseases by keeping themselves clean. (phần gạch chân từ by đến clean) 2. Her brother should take part in volunteer activities. (gạch chân từ take đến activities) 3. Jimmy has flu because he keep sneezing and coughing (gạch chân từ becaue đến coughing) 4. The students often help elderly people to sweep the house and cook meals.(gạch chân từ to đên hết) 5. They wen swimming two hours ago. ( gạch chân từ two đến hết) 6. Nam and Lan often donate books to street children.(gạch chân từ street đến hết) 7. My Mum thinks that ice-skate is difficult. (gạch chân từ difficult)

Cho tam giác ABC vuông tại A có đường cao AH biết AH=2cm,BC=5cm.Tính BH,AB,AC

Giúp mik với ạ,mik đang cần gấp

Júp với !!!! My mother and my father are very different people. Mum is always very calm; not exactly easy-going, because she (76) ……..things very seriously sometimes, but she doesn’t get excited. When we (77) …..small she almost never shouted at us. When we (78) ……..something wrong, she talked to us about it very firmly, but in a soft tone of (79) …………………... If we shouted and cried, she made us go and sit (80) ……..ourselves in her sewing-room (81) …………………..we calmed down. So when the news came, she reacted in her usual way, quietly seeing what she could do to prepare (82) ……..the changes that were coming. Dad, on the other (83) …….., shouted, kicked a chair, and went for along walk to try cool off. During the next few days he was cross with us, as nothing was our fault. All of our kids were worried (84) …..what was going to happen, and a (85) ……..afraid, but we didn’t talk to our parents much. We were also were sad about having to leave all of our school friends.

Giúp tui bài 5 đi mà làm ơn ,ai nhanh nhất tui tặng 5 sao với CTLHN

giải nhanh giúp mình với dc ko ạ mình cho 5 sao

mn chỉ em bài này với ạ đề bài là "Khai triển hằng đẳng thức" nha

A ) Calculate 2 + 4 + 6 + 8 +…..+ 200 = ____________ B ) Calculate 111 : 3 + 222 : 6 + 333 : 9 + 444 : 12 = ______ C ) This year, George is 5 years old; his dad is 35 years old. After how many years, his dad is 4 times older than George? D ) 1st of July 2014 is Tuesday, what day is 30th July 2014? E ) There are a total of 28 roosters and rabbits in a cage. there are 80 legs altogether, calculate the total numbers of roosters. F ) Calculate 9999 x 0.7 + 1111 x 2.7 = _________ G ) Calculate 13.8 x 4.6 x 5.4 : 1.38 : 2.3 : 2.7 = ____________

Phân tích đa thức thành nhân tưt X^5-x^4y-xy^4+y^5 X^6y-x^4y^3-x^3y^4+xy^6 2x^3+4x^2y+2xy^2-18x Đg cần gấp ạ

làm thời khoá biểu cute nha,kẻ ô từ thứ 2 đến sáng thứ 7 chiều thì để trống không kẻ thứ 5. làm bằng app