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5 tháng 10 2021

Hăm hiểu gì hết

5 tháng 10 2021

Mình sửa lại thành câu hỏi khác rồi nha !Bạn tìm giúp mình câu hỏi đó rồi nếu biết thì trả lời, không biết thì thôi hoặc muốn góp ý thì mới nhắn thôi nhé!

Cảm ơn bạn!

3 tháng 4 2015

Điên Biểu đồ Ven cái con khỉ

15 tháng 2 2016

viết câu hỏi cũng sai

1 tháng 4 2015

Bài thiếu dữ kiện.

1 tháng 4 2015

8 bạn

Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form...
Đọc tiếp

Combinatorics
21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
Different way: Cách khác nhau.
22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.
23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.
24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
Step: Bước; Way: Cách.
25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
~ End of Paper ~
  

6
13 tháng 4 2022

là seo pạn?mik hem hỉu??????????????????????

13 tháng 4 2022

Đọc cái bài mà mún trầm kẻm!

Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form...
Đọc tiếp

Combinatorics
21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
Different way: Cách khác nhau.

22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.

23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.

24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
Step: Bước; Way: Cách.

25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
~ End of Paper ~

1
13 tháng 4 2022

chịu thoi khs quá

29 tháng 11 2017

Choose the underline word or phrase that is incorrect:

1. Tim is at the same age as Hoa.

2. At recess, the students practice to play basketball.

3. Do you know how much a banana cost ?

4. The teacher says Ba will be a famous artist in one day.

5. Some boys are playing marble in the school yard at recess.

6. Some students are playing games as blind man's buff and catch.

7. Mai learns how to use a computer in her scientific class.

8. I'd love coming to your birthday but I'm much too busy.

9. There are less TV programs for teenagers than there are for adults.

10. People are living longer so there are more and more many old people.

29 tháng 11 2017

Choose the underline word or phrase that is incorrect:

1. Tim is at => as the same age as Hoa.

2. At recess, the students practice to play => playing basketball.

3. Do you know how much a banana cost => costs

4. The teacher says Ba will be a famous artist in one day => one day.

5. Some boys are playing marble => marbles in the school yard at recess.

6. Some students are playing games as => like blind man's buff and catch.

7. Mai learns how to use a computer in her scientific => science class.

8. I'd love coming => to come to your birthday but I'm much too busy.

9. There are less => fewer TV programs for teenagers than there are for adults.

10. People are living longer so there are more and more many => bỏ old people.

12 tháng 1 2018

Choose the underline word or phrase that is incorrect:

1. Tim is at -> \(\varnothing\) the same age as Hoa.

2. At recess, the students practice to play -> playing basketball.

3. Do you know how much a banana cost -> costs?

4. The teacher says Ba will be a famous artist in one day -> one day.

5. Some boys are playing -> play marbles in the school yard at recess.

6. Some students are playing games as -> such as blind man's buff and catch.

7. Mai learns how to use a computer in her scientific -> computer science class.

8. I'd love coming -> to come to your birthday but I'm much too busy.

9. There are less -> fewer TV programs for teenagers than there are for adults.

10. People are living longer so there are more and more many -> \(\varnothing\) old people.

12 tháng 1 2018

Choose the underline word or phrase that is incorrect:

1. Tim is at => as the same age as Hoa.

2. At recess, the students practice to play => playing basketball.

3. Do you know how much a banana cost => costs

4. The teacher says Ba will be a famous artist in one day => one day.

5. Some boys are playing marble => marbles in the school yard at recess.

6. Some students are playing games as => like blind man's buff and catch.

7. Mai learns how to use a computer in her scientific => science class.

8. I'd love coming => to come to your birthday but I'm much too busy.

9. There are less => fewer TV programs for teenagers than there are for adults.

10. People are living longer so there are more and more many => bỏ old people.

16 tháng 10 2017

My new school is in a quiet place not far from the city centre. It has three buildings and a large yard. This year there are 26 classes with more than 1,000 students in my school. Most student are hard-working and serious. The school has abou 40 teachers. They are all helpfull and frienly. My school has different clubs: Dance, Enlish, Arts, Football and Basketball. I like English, so I joined the English club. I love my school because it is a good school.

1 . Where is the writer's new school?

=> in a quiet place not far from the city centre

2. What are the students like?

=> They are all helpfull and friendly

3. What are the teachers like?

4. How many clubs are there in the school?

=> there are five clubs in the school

5. Why does the author love the school?

=> because it is a good school

21 tháng 10 2017

1 . Where is the writer's new school?
-> The writer's new school is in a quiet place not far from the city centre.

2. What are the students like?
-> The students are hard-working and serious.

3. What are the teachers like?
-> The teachers are all helpful and friendly.

4. How many clubs are there in the school?
-> There are five clubs in the school.

5. Why does the author love the school?
-> The author love the school because it is a good school.

14 tháng 9 2018

3. The teacher will says Ba a famous artist in one day.