12 viên bi xanh

60 viên bi đỏ

Hãy đọc đoạn văn và chỉ ra T or F :

There are two main kinds of sports and indiviual sports.Team sports are such as baseball, baketball and volleyball. Team sportd require two separate teams. The team play against each other. They complete against each other in order to get the best score. For example, in a baketball game, if team A gets 7 point and team B gets 3 points, team A wins the game. Team sports are sometimes called competitive sports.

1. Team sports are indiviual sports are two main kinds of sports. T

2. Basketball, baseball and volleyball are indiviual sports F

3. To get the score, the two teams have to compete againsteach other T

4. Competitive sports are sometimes called individual sports. F

5. According the text, there are three teams in team sports F

Cho dạng đúng của từ trong ngoặc :

1. The cards in the library are in alphabetical order ( ALPABET)

2. There are many kinds of entertainment for young people.(ENTERTAIN)

3. You pay the cash. She's the lady over there(CASH)

Viết lại câu sao cho nghĩa không thay đổi:

1. Tim's father has more holidays than Hoa's father

Hoa's father has fewer holidays than Tim's father.

2. We have a break that lasts thirty minutes

We have a thirty-minute break.

Đặt hai câu để phân biệt mỗi cặp từ trái nghĩa vừa tìm được ở bài tập 3.

C nhé

Đặt a=4m+1, b=4n+2(m,n\(\in\)N)

=>ab=(4m+1)(4n+2)

= 16mn+8m+4n+2

Ta thấy 16mn+8m+4n chia hết cho 4

=> ab:14 dư 2