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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

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.    Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

   Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary school ends after the sixth grade, and students attend middle school, or junior high school, from grades seven through nine. Similarly, secondary school, or high school, traditionally comprises grades nine through twelve, but in some places begins (24) _____________ the tenth grade.

   Most of the students who do not attend public elementary and secondary schools attend private schools, for which their families pay (25) _____________ . Four out of five private schools are run by religious groups. In these schools religious instruction is part of the curriculum, (26) _____________ also includes the traditional academic courses. There is also a small but growing number of parents who educate their children themselves, a practice known as home schooling.

   The United States does not have a national school system. Nor, with the exception of the military academies, are there schools run by the federal government. But the government (27) _____________ guidance and funding for federal educational programs in which both public and private schools take part and the U.S. Department of Education oversees these programs.

Điền vào ô 27

A. provide

B. give

C. make

D. offer

1
14 tháng 7 2018

Đáp án A

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.    Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

   Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary school ends after the sixth grade, and students attend middle school, or junior high school, from grades seven through nine. Similarly, secondary school, or high school, traditionally comprises grades nine through twelve, but in some places begins (24) _____________ the tenth grade.

   Most of the students who do not attend public elementary and secondary schools attend private schools, for which their families pay (25) _____________ . Four out of five private schools are run by religious groups. In these schools religious instruction is part of the curriculum, (26) _____________ also includes the traditional academic courses. There is also a small but growing number of parents who educate their children themselves, a practice known as home schooling.

   The United States does not have a national school system. Nor, with the exception of the military academies, are there schools run by the federal government. But the government (27) _____________ guidance and funding for federal educational programs in which both public and private schools take part and the U.S. Department of Education oversees these programs.

Điền vào ô 24

A. with

B. of

C. on

D. at

1
18 tháng 8 2018

Đáp án D

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.    Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

   Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary school ends after the sixth grade, and students attend middle school, or junior high school, from grades seven through nine. Similarly, secondary school, or high school, traditionally comprises grades nine through twelve, but in some places begins (24) _____________ the tenth grade.

   Most of the students who do not attend public elementary and secondary schools attend private schools, for which their families pay (25) _____________ . Four out of five private schools are run by religious groups. In these schools religious instruction is part of the curriculum, (26) _____________ also includes the traditional academic courses. There is also a small but growing number of parents who educate their children themselves, a practice known as home schooling.

   The United States does not have a national school system. Nor, with the exception of the military academies, are there schools run by the federal government. But the government (27) _____________ guidance and funding for federal educational programs in which both public and private schools take part and the U.S. Department of Education oversees these programs.

Điền vào ô 25

A. money

B. tuition

C. cost

D.expense

1
31 tháng 8 2019

Đáp án B

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.    Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

   Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary school ends after the sixth grade, and students attend middle school, or junior high school, from grades seven through nine. Similarly, secondary school, or high school, traditionally comprises grades nine through twelve, but in some places begins (24) _____________ the tenth grade.

   Most of the students who do not attend public elementary and secondary schools attend private schools, for which their families pay (25) _____________ . Four out of five private schools are run by religious groups. In these schools religious instruction is part of the curriculum, (26) _____________ also includes the traditional academic courses. There is also a small but growing number of parents who educate their children themselves, a practice known as home schooling.

   The United States does not have a national school system. Nor, with the exception of the military academies, are there schools run by the federal government. But the government (27) _____________ guidance and funding for federal educational programs in which both public and private schools take part and the U.S. Department of Education oversees these programs.

Điền vào ô 23

A. whereas

B. therefore

C. however

D. moreover

1
1 tháng 4 2017

Đáp án C

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.    Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

   Almost 90 percent of American students below the college level attend public elementary and secondary schools, which do not charge tuition but rely on local and state taxes for funding. Traditionally, elementary school includes kindergarten through the eighth grade. In some places, (23) _____________ , elementary school ends after the sixth grade, and students attend middle school, or junior high school, from grades seven through nine. Similarly, secondary school, or high school, traditionally comprises grades nine through twelve, but in some places begins (24) _____________ the tenth grade.

   Most of the students who do not attend public elementary and secondary schools attend private schools, for which their families pay (25) _____________ . Four out of five private schools are run by religious groups. In these schools religious instruction is part of the curriculum, (26) _____________ also includes the traditional academic courses. There is also a small but growing number of parents who educate their children themselves, a practice known as home schooling.

   The United States does not have a national school system. Nor, with the exception of the military academies, are there schools run by the federal government. But the government (27) _____________ guidance and funding for federal educational programs in which both public and private schools take part and the U.S. Department of Education oversees these programs.

Điền vào ô 26

A. where

B. what

C. which

D. that

1
8 tháng 10 2019

Đáp án C

19 tháng 5 2017

Điền vào mỗi chỗ trống từ thích hợp trong khung:

[ also, on, love, because, different, in, borrow, newspapers ]

My school library is big. All the teachers and students come there to read and __borrow___ bbooks. Many kinds of books for students from grade 6 to grade 9 are _on__ the shelves in different sections, such as math, physics, chemistry, biology, and english books. there are___also___ a lot of readers, novels reference books. On the large and long table __in___ the middle of the room are many kinds of ____newspapers_____ and magazines.

We often go to the school library t read books and study our lessons. It is ___different_____ from our classrooms __because___ it is a quiet place to study. I think the library is very helpful in developing our __love___ of books.

20 tháng 5 2017

Điền vào mỗi chỗ trống từ thích hợp trong khung:

[ also, on, love, because, different, in, borrow, newspapers ]

My school library is big. All the teachers and students come there to read and __borrow___ bbooks. Many kinds of books for students from grade 6 to grade 9 are _on__ the shelves in different sections, such as math, physics, chemistry, biology, and english books. there are __also____ a lot of readers, novels reference books. On the large and long table __in___ the middle of the room are many kinds of ___newspapers______ and magazines.

We often go to the school library t read books and study our lessons. It is __different______ from our classrooms ___because__ it is a quiet place to study. I think the library is very helpful in developing our _love____ of books.

29 tháng 9 2016

12 sinh viên 4 lớp tại Trường Edgemont tặng đồng xu để tăng 75 đô la cho một tổ chức từ thiện địa phương. số lượng tối thiểu của đồng xu mỗi học sinh cần phải mang lại nếu họ muốn đạt được mục tiêu của họ về thu 75 đô la là gì?
(1 đô la = 100 đồng xu)

29 tháng 9 2016

Change: $ 75 = 7500 cents

 Minimum per cent of students who need help are:

7500:112=66.964.... ( pennies) = 77  pennies

Answer: 77 pennies

21 tháng 10 2021
Hoàn thành mỗi câu với bọ định lượng từ Cái hộp có thể có nhiều hơn một bộ định lượng đúng phần; đa số; sồ lượng; 1 phần 3 của 60 % của 1 .ít hơn... dân số dưới 35 tuổi luôn học trực tuyến bất kỳ thời điểm nào. Hết. Học sinh sẵn sàng tình nguyện vì những nguyên nhân xứng đáng.4. Một... ước tính của học sinh các lớp cao hơn ai giúp đỡ sinh viên trẻ hơn là 25. Tui lớp 4 pro