user-avatar
dungvemen
2 năm trước
giải hệ phương trình {x+y=x^2-xy+2y^2,x^2+y^2=2
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

84. The Le family was sleeping ………………….……….. the mailman came. a. when b.while c. for d.to. 85. Mount Rushmore………………………………….. from more than 100 kilometers away. a. see b. saw c. can be seen d.seeing. 86. It is a contest in which participants have to cook rice. It’s a …………….. contest. a. cook - rice b. water-fetching c. rice-cook d. rice- cooking. 87. Nhi decided………………..for a walk . a. go b. to go c. going d.goes. 88. Every milk bottle can be ……………….thirty times . a. reused b.to reuse c. reduced d. reducing 89. Would you mind…………………..in the front seat of the taxi? a. to sit b. sitting c. sits d.sat 90. contest in which people have to fetch water from the river is called a……………..contest. a. water-fetching b.water - fetch c. fetching - water d. fetch - water 91. The Pyramid of Cheops is one of the seven………………….in the world. a. temples b.pogoda c. churches d. wonders 92. When the phone rang , I ........................... a. sleep b. sleeping c. was sleeping d. slept 93. I asked him ....................... he liked coffee . a. what b. which c. when d. whether 94. The boy................next to Hoa is a new comer. a. sit b. to sit c. sitting d. sits

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