Chủ đề:
Bài 11: Chia đa thức cho đơn thứcCâu hỏi:
(-2\(x^2y^2\)+4xy-6x\(y^3\))\(^4\):xy
Điền many, much, some, hoặc any vào chỗ trống cho thích hợp.
1. Would you like to listen to.........music? I have a new CD
2. I want...........cheese. Is there..........cheese in the fridge?
3. How.........does a kilo of rice cost?
4. He doesn’t have.............money in his pocket, but he has.........money in the bank.
5. How........weeks holiday do you have in summer?
6. Don’t disturb me. I’ve got........work to do.
7. How.............petrol is there in the car? There isn’t........
Điền giới từ thích hợp
1. Some people are___ the mountain and they’re___danger
2. I’m looking____chocolates
3. She wants a sandwich and a glass___lemon juice
4. The plane flies___mountains, rivers and towns
5. Come___me. We need some cold drinks.
6. You can buy fish, meat, vegetables___the store
7. What would you like___breakfast?
8. The beef is___the table, ____the chicken and the vegetables
b) (14-97)-14
=14-97-14
=(14-14)-97
=0-97
=-97
a) -720+143+720
=(-720+720)+143
=0+143
=143