2 câu mỗi câu 20 đ Phân tích đa thức thành nhân tử: a, 4 $y^{2}$ - $x^{2}$ -2xy+ $y^{2}$ b, $x^{2}$$-4xy+3y^{2}$ $-2y-1 $

III.Comparative and superative Noone in ... be / V + as + adj/adv + as + S = S + be/V + the short adj + est + in the most + long adj (Not) equal comparison = comparative 1.Susan isn't as good at chemistry as Sarah. =>Sarah is........ 2.No one in the group is younger than he. =>He is the......... 3.Stone isn't as hard as iron. =>Iron is......... 4.Tom is the best football player in the team. =>No one in the team is......... 5.I don't play the guitar as well as he does. =>He plays....... 6.My sister is taller than any other student in the class. =>My sister is the........ 7.No other cities in Vietnam is as large as HCM city. =>HCM city........ 8.This story is more interesting than any other story that I have ever heard. =>This is the ......... 9.My father can't cook as well as my mother does. =>My mother cook......... 10.My sister is taller than any other student in the class. =>My sister is the....... 11.My house is bigger than your house. =>Your house is...... 12.The black car is cheaper than the red car. =>The red car ........ 13.This film is more interesting than that one. =>The film is.......... 14.My kitchen is smaller than yours. =>Your kitchen............ 15.My grandmother is older than every one in my family. =>My grandmother is the......... 16.No one in my class is as tall as Tam. =>Tam is the........ 17.I can't cook as well as my mother. =>My mother can cook........ 18.He does not play tennis as well as Jack. =>Jack can........ 19.I did not spend as much money as you. =>You spend..,... 20.I don't think this book is expensive as is it. =>This book is........

Cho mình hỏi bài 6 với ạ, mình gần gấp lắm ạ

║x1 ║+ ║x2 ║=? √x1= √x2 ? Khai triển ra giúp mình nha

Nêu một số nhận định về dịch covid 19

Cảm nhận về nhân vật bé Thu trong truyện ngắn "Chiếc lược ngà"

$2^x+x=20$ Tìm x

cho hai đường tròn (o) và (o’) cắt nhau tại M,N. Kẻ day MA của đường tròn (O) tiếp xúc (O') và day MB của đường tròn (O') tiếp xúc với (O). Đường tròn ngoại tiếp tâm giác MAB cắt đường thẳng MN tại P( P khác M ) chứng minh rằng PN=MN

Tìm tập hợp tất cả các điểm M trong không gian luôn luôn nhìn một đoạn thẳng AB cố định dưới một góc vuông.

phân tích đa thức thành nhân tử: $x^{2}$ $-100+25-$$y^{2}$