Câu hỏi của duong thi diep

Question

Có thể tính nhẩm bằng cách thêm vào số bị trừ và số trừ một số thích hợp. Tính:

...

Mỹ Châu · Accepted Answer

551 - 391

= (551 + 9) - (391 + 9)

= 600 - 400

= 200

Câu trả lời:

551 - 391

= (551 + 9) - (391 + 9)

= 600 - 400

= 200

Phạm Hoàng Khánh Chi · Answer

551-391

= ( 551 + 9 ) - ( 391 + 9 )

= 600 - 400

= 200

Câu trả lời:

551-391

= ( 551 + 9 ) - ( 391 + 9 )

= 600 - 400

= 200

1. They are friends of Mary.	They are Mary’s friends.
2. The apples of this tree are red.	OK
3. It is the box of Mary.
4. The wheelchair of Susan is new.
5. I know the cause of the problem.
6. What’s the colour of the scale?
7. The dinner of Charles is delicious.
8. I am at the house of the twins.
9. The story of this book is interesting.
10. Martha is the girlfriend of Andy.
11. The king of Spain is upset.
12. The toaster of my sister is broken.
13. What’s the price of this clock?
14. The test of James was bad.
15. The backpacks of the children are cute.
16. It’s the birthday of my mother.
17.The ingredients of the pizza are spicy.
18. The bike of Paul is white.
19. The kite of my brothers is yellow.
20. The paper of the bag is strong.

1. Cấu trúc câu so sánh hơn