17 balls

17 balls  (k cho mik nha )

The largest number of ball the team can buy is: 

              140 : 8 = 17 (Remander: 4)

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sao toan la TA ko z

Có một số quả bóng trong túi. Phần còn lại là 1 khi nhóm 3 quả bóng được lấy ra. Phần còn lại là 2 khi các nhóm 5 hoặc 7 quả bóng bị loại bỏ. Số lượng quả bóng nhỏ nhất có thể có trong túi là bao nhiêu?

7 balls

The number of balls to get off to a 3 color is:
3 + 3 + 1 = 7 (balls)
Answer: 7 balls

Khi John lấy 5 quả bóng, kết quả có thể là 3 xanh và 2 đen. Chưa được 4 quả cùng màu.

Trong 3 loại đỏ, trắng, vàng còn lại, John phải lấy thêm ít nhất 10 quả nữa để chắc chắn có 4 quả cùng màu vì: 10 chia 3 bằng 3 dư 1. 4 quả ấy bao gồm 3 quả là Thương cộng 1 quả là Dư.

Vậy John phải lấy ít nhất 15 quả bóng để chắc chắn có 4 quả cùng màu.

Read this passage then write True/ False

Nowsday, football becomes one of the world's most popular games. Millions of people play and watch it all around the world

A football match often has two parts. Each part is forty-five minutes. The first part is the first half and the second part is the second half. There is fifteen-minute break between two halve

There are two teams in a football match. Each football team has eleven players, including a goal- keeper. The players on the ground try to kick the ball into the other's goal. The team which scores more goals wins the match

1. ___T___ Today, football becomes very popular all around the world

2. ___T___ Millions of people play football

3. ___T___ A football match has two halves of forty-five minutes each

4. ___F___ There is no break in a football match

5. ___F___ Each football team has eleven players and a goal-keeper in the field

6. ___T___ The winning team in the match is the team which scores more goals

Read this passage then write True/ False

Nowsday, football becomes one of the world's most popular games. Millions of people play and watch it all around the world

A football match often has two parts. Each part is forty-five minutes. The first part is the first half and the second part is the second half. There is fifteen-minute break between two halve

There are two teams in a football match. Each football team has eleven players, including a goal- keeper. The players on the ground try to kick the ball into the other's goal. The team which scores more goals wins the match

1. ___T___ Today, football becomes very popular all around the world

2. ___T___ Millions of people play football

3. ___T___ A football match has two halves of forty-five minutes each

4. ___F___ There is no break in a football match

5. ___T___ Each football team has eleven players and a goal-keeper in the field

6. ____T__ The winning team in the match is the team which scores more goals

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