130 + 130 * 130
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1. have ➔ has (Jinho là chủ ngữ số ít)
2. much ➔ many (games là danh từ đếm được)
3. never has met ➔ has never met (sai thứ tự)
4. has ➔ have (they là chủ ngữ số nhiều)
5. wash ➔ washed (chưa chia động từ)
1.We moved to a new house.
2.They brought a sandwich.
3.He didn't do the homework.
4They sold cars.
5.Did he visit his friends?
6.She bought a book.
7.The teacher punished the boy.
8.The little girl laughed at the beggar.
9.They knew it.
10.He didn't tell the lie.
11.They didn't wait for anybody.
12.Who taught you English?
13.The mansons built the house.
14.They invited us to their party.
15.His manners disgusted me.
16.She sang a lovely song.
17.It was time to start.
18.He wanted to kill the snake.
19.His conduct surprised me.
20.I wanted you to come with me.
1. It was cloudy yesterday.
2. In 1990, we moved to another city.
3. When did you get the first gift?
4. She didn’t go to the church five days ago.
5. How was he yesterday?
6. Did Mr. and Mrs. James come back home and have lunch late last night ?
7. Were they happy last holiday?
8. How did you get there?
9. I played footbal last Sunday.
10. My mother made two cakes four days ago.
11. Tyler visited his grandmother last month.
12. Joni went to the zoo five days ago.
13. We had fun yesterday.
14. My father was not at the office the day before yesterday.
15. Jane missed the bus.
16. She tidyed her room.
17. Nancy did not watched television.
18. She read a book.
19. It was not cold.
20. They were late for the interview.
k mik nha
Áp dụng tính chất giao hoán, ta có:
68 130 x 9 = 9 x 68 130 = 613 170
5 x 613 170 = 613 170 x 5 = 3 065 850
Áp dụng tính chất kết hợp, ta có:
9 x 68 130 x 5 = 613 170 x 5 = 3 065 850
5 x 9 x 68 130 = 5 x (9 x 68 130) = 5 x 613 170 = 3 065 850
130+130*130
= 130 x 131
= .....
k nha
=17030 kmik nha