Giúp đi mng ui Tính đơn thức: x²y - 4x²y + (1/2x)²y

Các câu hỏi liên quan

I. Fill in each blank with the simple past tense of the verb from the box. Play go do buy teach lose score win become enjoy 1. My friends and I__________swimming yesterday morning. 2. We really__________the game last Sunday. 3. In 1958, at the age of 17, Pelé__________his first World Cup. 4. The Canadian hockey team__________six goals against Switzerland. 5. The home team__________very well, but they lost the match. 6. My father__________me how to ride a bike. 7. I__________a new baseball cap last week. 8. At the age of 17, Messi__________the youngest official player and goal scorer in the Spanish La Liga. 9. She has a black belt in karate. She first__________karate when she was seven. 10. Argentina__________1 - 0 to Germany in the final. II. Fill in the sentences with the correct form (past Ssimple) of the verbs in brackets. 1. I__________(see) the film last night but I __________ (not like) it. 2. __________ (Marco/ win) the golf competition? 3. They__________(not play) very well yesterday They__________(lose) the match. 4. How many goals__________(your team/ score) in the first half? 5. I__________(be) very tired, so I__________(go) to bed early last night. 6. __________(you/ go) swimming this morning? 7. The children__________(not be) hungry, so they __________ (not eat) anything. 8. Susan and her friends__________(come) to Japan three months ago. 9. I__________(have) a wonderful holiday with my family last July. 10. Jane__________(not be) at the party last Sunday, so she__________(not know) what happened.