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Trong hình này, có 8 con chim bồ câu nằm trên một trong mười sáu ô vuông. Ít nhất có bao nhiêu con chim bồ câu cần phải di chuyển từ nơi chúng đến những ô vuông mới (không nhất thiết phải cạnh những ô vuông ban đầu) sao cho chỉ có hai chim bồ câu Trên mỗi hàng, mỗi cột

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1. How much

2. How many

3. How many

4. How many

5. How many

6. How much

7. How many

8. How much

9. many/ much

10. much

11. many

12. many

13. many

14. much

15. much

1. How much beer is there in the fridge?

2. How many eggs do you want?

3. How many languages do you speak?

4. How many people are there in the class?5. How many days are there in a week?

6. How much milk do you drink everyday?

7. How many kilos of rice do you want?

8. How much soda does she want?'

9. We don't have much bananas, and we don't have much fruit juice.( câu này hơi lạ =))

10. How much is this? It's ten dollars.

11. How many do you want? Six, please.

12. I wrote much poems.

13. I visited many European cities.

14. She hasn't got much patience.

15. How much does the shirt cost? 

Another alternative explanation.

Mark the leftmost square crossed of each row as ‘r’, and the topmost crossed square of each column with ‘c’. Thus, each square can be marked either ‘r’ or ‘c’ or ‘both r and c’ or ‘neither r nor c’. We’ll examine each case.

For a square to be marked both ‘r’ and ‘c’, the diagonal must pass through the upper left corner of the square.

For square to be marked ‘r’, diagonal should pass through its upper edge.

For square to be marked ‘c’, diagonal must pass through its left edge.

For square to be marked neither ‘r’ nor ‘c’, diagonal must pass through it’s upper as well as left edge, which is not possible. Therefore, no triangles are unmarked.

Now, no. of squares crossed = no. of squares marked ‘r’ + no. of squares marked ‘c’ - no. of squares marked both ‘r’ and ‘c’

Now, no. of r’s = no. of rows (only 1 leftmost crossed square in each row)

no. of c’s = no. of columns (only 1 topmost crossed square in each column)

all rows and columns are crossed by the diagonal.

Therefore, squares crossed = rows + columns - (no. of squares marked both ‘r’ and ‘c’)

Now, only 1 square is marked both ‘r’ and ‘c’ as 199 and 991 are coprime.

Therefore squares crossed = 199 + 991 - 1 = 1189

Look at this video if you want a clearer visual explanation:

Tham khảo:

Another alternative explanation.

Mark the leftmost square crossed of each row as ‘r’, and the topmost crossed square of each column with ‘c’. Thus, each square can be marked either ‘r’ or ‘c’ or ‘both r and c’ or ‘neither r nor c’. We’ll examine each case.

For a square to be marked both ‘r’ and ‘c’, the diagonal must pass through the upper left corner of the square.

For square to be marked ‘r’, diagonal should pass through its upper edge.

For square to be marked ‘c’, diagonal must pass through its left edge.

For square to be marked neither ‘r’ nor ‘c’, diagonal must pass through it’s upper as well as left edge, which is not possible. Therefore, no triangles are unmarked.

Now, no. of squares crossed = no. of squares marked ‘r’ + no. of squares marked ‘c’ - no. of squares marked both ‘r’ and ‘c’

Now, no. of r’s = no. of rows (only 1 leftmost crossed square in each row)

no. of c’s = no. of columns (only 1 topmost crossed square in each column)

all rows and columns are crossed by the diagonal.

Therefore, squares crossed = rows + columns - (no. of squares marked both ‘r’ and ‘c’)

Now, only 1 square is marked both ‘r’ and ‘c’ as 199 and 991 are coprime.

Therefore squares crossed = 199 + 991 - 1 = 1189

For a rectangle of size m×nm×n with sizes being coprime:

So the diagonal visits m+n−1m+n−1 unit squares.

For sizes not coprime let d=gcd(m,n)d=gcd(m,n). Then we can reduce the problem to dd rectangles of size md×ndmd×nd which makes a result of

And we can see, that the former result is a special case of the latter: the 'minus one' term is a 'minus GCD of sizes', since a GCD of coprime numbers is 11.

                                                                                                                 Chúc bạn học tốt nhớ cho mình 1 like nhé !

1 How much

2 How many

3 How many

4 How much

5 How much

-Much đi với N không đếm được

-Many đi với N đếm được

1..How many.................apples are there in the fridge?

2...How much................pepper do you want?

3....How many..................bananas are there on the table?

4...How many...................sandwiches are there in your bag?

5.....How much..............water is there in the bottle?

1. How many apples are there in the fridge?

2. How much pepper do you want?

3. How many bananas are there on the table?

4. How many sandwiches are there in your bag?

5. How much water is there in the bottle?

fill each blank with how many or how much

1......How many .............apples are there in the fridge?

2.......How much .............pepper do you want?

3.....How many .................bananas are there on the table?

4..........How many ............sandwiches are there in your bag?

5...........How much ........water is there in the bottle?

Tham khảo:
A: (Square 3) Red and yellow are harmonious colors. Red and blue are complementary colors. I like square 5 because it looks impressive. It reminds me of my eyes.

B: (Square 9) Blue and green are harmonious colors. Green and red are complementary colors. I like square 9 because it looks like harmony and peace. It reminds me of images of the earth or a forest around the lake.

1 My name is Alice Zuberg

2 A - L - I - C - E

3 I come from SAO alicization

4 I live in Rulid village 

5 there are five chair in my house

6 No , I  to be alone

7 there are four

8 I come back home and do my homework 

Okay, i will answer:

1 My name is Nguyen Le Huy ( but my friends only call me Huy )

2 H - U - Y

3 I'm from VietNam

4 I'm live in HaNoi

5 i have a lot of chairs in my house 

6 No, cause i don't know who are you,......bruh

7 there are 8 people.

8 i come to my room do my homework 

                                                                                                                                                                              thanks for asking me, stranger. XD

1. My name is Khanh Linh.

2.L-I-N-H.

3.I'm from VietNam.

4. I'm live in Phu Tho town.

5. There are twenty- six chairs in my house.

6. Uhhh no , because I don't known who are you ?

7. There are 9 people in my house.

8. I and my friend are doing to homework, listening to the music and playing badminton.

Thank for watching, thanks for asking me.