Exercise 3: Complete the sentences using the comparative, superlative form or “as … as” of the adjectives given. 1. Mai is (good) ___________ singer in our class. 2. Guitars aren’t (expensive) ____________ many other instruments. 3. It’s (easy) ____________ to play an instrument after you’ve. 4. I play the piano (good) _________ than I play the violin. 5. Saxophones are (heavy) ___________ than a lot of instruments. 6. Traditional pianos are (suitable) ______________ than keyboards for beginners. 7. The guitar is one of the (popular) _______________ instruments among young people.

Mọi người giúp mình với . Làm ra giấy xong chụp gửi cho mình với ạ

Exercise 2:Complete these sentences, using the word given : 1.John is more intelligent than Bill. (as … as)  Bill isn’t ………………… 2.Her hair is black. My hair is grey. (different) My hair color ………………… 3.My bicycle is nice but yours is nicer. (so … as) My bicycle isn’t ………… 4.Minh and Hoa are both 14 years old. (the same … as) Minh is ………………… 5.The like pizzas. I like hamburgers. (different from) My taste ……………………… 6.Lan is pretty, and her cousin is pretty, too. (as … as) Lan’s cousin …………………… 7.Mr. Brown is 40 years old. Mrs. Brown is 40 years old. (the same … as) Mr. Brown has .. 8.Hung has a harsh voice, but his sister has a sweet voice. (different from) Hung’s ……… 9.My blouse is as expensive as yours. (the same) Your blouse ………………… 10.Mai is fifteen years old. Linh is fifteen years old. (the same … as) Nam’s …………

Người ta dùng một máy có công suất P = 8 WK và hiệu suất H = 80 % để nâng hàng từ mặt đất lên độ cao 5m . Máy đã làm việc trong 12h. Hỏi máy đã nâng được bao nhiêu tấn hàng ?

Cho tam giác ABC vuông tại A có AB < AC. Phăn giác góc BAC cắt đg trung trực cạnh BC ở điểm D. Kẻ BH vuông góc AB và DK vuông góc AC a. Tứ giác ABDK là hình gì? CM b. CM BH= CK c. Giả sử AC =8cm và BC =10cm. Gọi M là tdiem của BC. Tính S tứ giác BHDM

lim( $\frac{1}{n^{2}}$+ $\frac{2}{n^{2}}$ +...+ $\frac{n-1}{n^2}$ )

Exercise 1: Use “not as / so … as” to rewrite these sentences : 1.Lipton tea costs 10$. Oolong tea costs 9 $. 2.Vinh is 1.65 meters tall. Hai is 1.7 meters tall. 3.Mary isn’t big. She was very big last year. 4.You are happier than she looks. 5.My bicycle is more expensive than yours. 5.Tom doesn’t try hard. His brother tried hard. 6.The boy doesn’t run fast. He used to run very fast. 7.Mai is the best violinist in her family. 8.The summer isn’t hot. Last summer it was hot. 9.She is active now. She didn’t use to be active. 10.Jimmy is clever. We think he is clever.

Trả lời hộ mình 3 câu này với B) 2x - 1 = 0 và 3x - ( 8 - x ) =0 C) x +1 =0 và ( x+1) (x+2) = 0 2x mũ 3 - 1 phần 2x = 5x - 1 phần 2x và x mũ 2 - 5 phần 2x = 0

Giúp mik mik với mik cần gấp lắm ạ

Mọi người giúp mình câu này với ạ >< Mình cảm ơn rất nhiều ❤❤❤