user-avatar
chinnguyntrng399
2 năm trước
1+ a) 2x2+4x b)x2y+xy+x+1 c)x2-4x-9y2+4 2+ a)117$x^{2}$ -17$x^{2}$ b)37.63
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II. Choose the best answer a, b, c or d to complete the sentence. 1. The Dao in the Sapa area is famous ________ its “love market.” a. for b. in c. with d. to 2. The Thai live ________ farming on their burnt-over land and wet-rice terraced fields. a. in b. on c. out d. up 3. The ________ house is a place where villagers gather for festivals and rituals. a. terraced b. splendid c. communal d. thatched 4. There were lots of interesting folk games, _______ Kenny stayed a little longer to join them. a. but b. because c. however d. so 5. ‘________ dress in red and black costume?’ ‘The Dao’ a. What b. Which c. Who d. When 6. What colour is ________ symbol of good luck for the Hoa? a. a b. an c. - d. some 7. ________ in terraced fields is the main economic activity of ethnic people in Sapa. a. Fishing b.Rice cultivation c. Hunting d.Gathering 8. ________ ethnic Khmer live in ________ Mekong Delta of Vietnam. a. The / - b.The / a c.A / the d. The / the 9. The Vietnam Museum of Ethnology ________ by the architect Ha Duc Linh, a memberof the Tay ethnic group. a. designed b. has designed c. was designed d. was designing 10. ‘I have just taken an elephant ride in Buon Don.’ ‘________ How interesting!’ a. Certainly. b.Really? c.Terrible. d. Exactly.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team