Bài 1: Thực hiện các phép tính sau: (2x−1)(3x+2)(3–x)

Viết các biểu thức sau dưới dạng lũy thừa 1 số hữu tỉ: a)3.243.2^6 b)8^10:16^7 Tìm số tự nhiên n biết a)25^n:5^n=125

Put the verb in brackets into the present contiuouns tense or simple present tense 1/ What (make) ... that terrible noise ? 2/ What she (do) ... in the evenings ? 3/ The last train (leave) ... the station at 11 o'clock 4/ Lan (make) ... a dress for herself now 5/ I am afraid i've broken one of your coffee cups. Don't worry. I (not like) ... that set anyway 6/ I (wear) ... my sunglasses today because the sun is very strong

Chọn một số lớn hơn 10 và bé hơn 20 chia làm 2 nhóm

Giúp mik với mik vote cho 5 sao nha

chứng minh : 4x(x+y)(x+y+z)(x+z) +y^2z^2 là số chính phương

czxsasaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

IV. Comparative or Superlative 1. She is _________ me. (big) 2. The situation is _______________ I thought. (bad) 3. His house is ________________ down the road. (far) 4. This is _______________ day of my life. (good) 5. She chose ________________ place to travel. (expensive) 6. She is _________________ woman I have ever seen. (beautiful) 7. This cheese is _______________ the one from last week. (good) 8. That blue phone is _________ mine. (expensive) 9. She lives ________________ your cousin.(far) 10. That is ______________ place to eat. (bad)

Mn giúp em bài tập hóa 9 này với ạ

Hàm số tuần hoàn y=sinx.cosx là?