How many triples of integer (a,b,c) are there such that \(a.b.\sqrt{c}=6\)
How many triples of integer (a,b,c) are there such that \(a.b.\sqrt{c}=6\)
Answer:........................ triples
hiểu nhưng em ko bik đáp án ạ em mới học lớp 6 à
1 How many triples of integers (a,b,c) are there such that
?
2
2) Vì ABC và RTS là 2 tam giác đồng dạng nên:
\(\frac{AB}{RT}=\frac{BC}{TS}\Leftrightarrow\left(\frac{8}{4}\right)=\frac{x}{5}\Rightarrow x=10\)
toan quoc te nha
Question 1:
There are two parallel lines in the figure. What is the value of x?
Answer: x =
Question 2:
ABC and RTS are similar triangles.
The value of x is
Question 3:
If x<0 and 5x+8+|3x|=0 then x=
Question 4:
I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?
Answer:
Question 5:
How many triples of integers (a,b,c) are there such that
?
Answer: triples.
Question 6:
Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a cat.
How many students have both a dog and a cat?
Answer: students.
Question 7:
The sum of 2 positive integer numbers is greater than their product if the smaller number is
Question 8:
How many different real numbers satisfy the following equation?
Answer:
Question 9:
The area of trapezoid ABCD is 180 .The altitude is 8 cm,AD is 10 cm,and BC is 17 cm.
What is AB,in centimeters?
Answer: cm.
Question 10:
There are 115 cars in a village of 26 families. Each family has either 4 or 5 cars.
How many families have 4 cars?
Answer: families.
Let a, b,c be three positive integers with a<=b<=c such that (1+1/a)(1+1/b)(1+1/c) = 3. There are .....such triples
Đặt a, b, c là ba số nguyên dương với a < = b < = c sao cho ( 1 + 1 / ) ( 1 + 1 / b ) ( 1 + 1 / c ) = 3. Có...... bộ ba như vậy
1. How many/ groups of people/ there/ your country?
A. How many groups of people are there in your country?
B. How many groups of people is there in your country?
C. How many groups of people are there on your country?
D. How many groups of people is there of your country?
2. wear/ occasions/ special/ on/ women/ Korean/ Hanbok/ usually
A. Korean women usually wear on Hanbok special occasions.
B. Korean women wear usually Hanbok on special occasions.
C. Korean women usually wear special Hanbok on occasions.
D. Women on Korean usually wear Hanbok special occasions.
3. Many teenagers/ addicted/ the Internet/ computer games.
A. Many teenagers are addicted to the Internet and computer games.
B. Many teenagers are addicted with the Internet and computer games.
C. Many teenagers have addicted to the Internet and computer games.
D. Many teenagers are addicted on the Internet and computer games.
4. The Giong Festival/ held/ the 6th/ the 12th/ the 4th lunar month/ several venues around Ha Noi.
A. The Giong Festival is held from the 6th to the 12th of the 4th lunar month in several venues around Ha Noi.
B. The Giong Festival was held from the 6th to the 12th of the 4th lunar month in several venues around Ha Noi.
C. The Giong Festival is held from the 6th of the 12th to the 4th lunar month in several venues around Ha Noi.
D. The Giong Festival were held from the 6th to the 12th of the 4th lunar month at several venues around Ha Noi.
5. Watching TV/ most/ popular/ leisure activity/ Britain?
A. Is watching TV the most popular leisure activity in Britain?
B. Is watching TV most popular leisure activity in Britain?
C. Is watching TV the most popular leisure activity into Britain?
D. Does watching TV is the most popular leisure activity in Britain?
6. Children/ like/ Tet/ long holiday/ can/ also/ receive/ lucky money.
A. Children likes Tet because it’s a long holiday and, they can also receive lucky money.
B. Children like Tet because it’s a long holiday. Moreover, they can also receive lucky money.
C. Children like Tet when it’s a long holiday. However, they can also receive lucky money.
D. Children like Tet because it’s a long holiday. Therefore, they can also receive lucky money
7. If/ a/ should/ Vietnamese/ home/ bring/ invited/ to/ gift/ you/ a/ small
A. If you should bring a small gift, when you are invited to a Vietnamese home.
B. If you are invited to a home Vietnamese, you should bring a gift small.
C. If you are invited to a Vietnamese home, you should bring a small gift.
D. You are invited to a Vietnamese home If you should bring a small gift.
8. Vietnam/ Tay/ second/ the/ largest/ the/ ethnic/ group/
A. The Tay is the second largest ethnic group in Vietnam.
B. The Tay are the second largest ethnic groups of Vietnam.
C. The Tay are second largest ethnic group in Vietnam.
D. The Tay are the second largest ethnic group in Vietnam.
9. important/ Health/ than/ money.
A. Health is more important than money
B. Health is the most important than money
C. Health is more importanter than money
D. Health are more important than money.
10. How/ spring festival/ Bai Dinh Pagoda/ last?
A. How often do the spring festival in Bai Dinh Pagoda last?
B. How long does the spring festival of Bai Dinh Pagoda last?
C. How old do the spring festival at Bai Dinh Pagoda last?
D. How does the spring festival of Bai Dinh Pagoda last?1. How many/ groups of people/ there/ your country?
A. How many groups of people are there in your country?
B. How many groups of people is there in your country?
C. How many groups of people are there on your country?
D. How many groups of people is there of your country?
2. wear/ occasions/ special/ on/ women/ Korean/ Hanbok/ usually
A. Korean women usually wear on Hanbok special occasions.
B. Korean women wear usually Hanbok on special occasions.
C. Korean women usually wear special Hanbok on occasions.
D. Women on Korean usually wear Hanbok special occasions.
3. Many teenagers/ addicted/ the Internet/ computer games.
A. Many teenagers are addicted to the Internet and computer games.
B. Many teenagers are addicted with the Internet and computer games.
C. Many teenagers have addicted to the Internet and computer games.
D. Many teenagers are addicted on the Internet and computer games.
4. The Giong Festival/ held/ the 6th/ the 12th/ the 4th lunar month/ several venues around Ha Noi.
A. The Giong Festival is held from the 6th to the 12th of the 4th lunar month in several venues around Ha Noi.
B. The Giong Festival was held from the 6th to the 12th of the 4th lunar month in several venues around Ha Noi.
C. The Giong Festival is held from the 6th of the 12th to the 4th lunar month in several venues around Ha Noi.
D. The Giong Festival were held from the 6th to the 12th of the 4th lunar month at several venues around Ha Noi.
5. Watching TV/ most/ popular/ leisure activity/ Britain?
A. Is watching TV the most popular leisure activity in Britain?
B. Is watching TV most popular leisure activity in Britain?
C. Is watching TV the most popular leisure activity into Britain?
D. Does watching TV is the most popular leisure activity in Britain?
6. Children/ like/ Tet/ long holiday/ can/ also/ receive/ lucky money.
A. Children likes Tet because it’s a long holiday and, they can also receive lucky money.
B. Children like Tet because it’s a long holiday. Moreover, they can also receive lucky money.
C. Children like Tet when it’s a long holiday. However, they can also receive lucky money.
D. Children like Tet because it’s a long holiday. Therefore, they can also receive lucky money
7. If/ a/ should/ Vietnamese/ home/ bring/ invited/ to/ gift/ you/ a/ small
A. If you should bring a small gift, when you are invited to a Vietnamese home.
B. If you are invited to a home Vietnamese, you should bring a gift small.
C. If you are invited to a Vietnamese home, you should bring a small gift.
D. You are invited to a Vietnamese home If you should bring a small gift.
8. Vietnam/ Tay/ second/ the/ largest/ the/ ethnic/ group/
A. The Tay is the second largest ethnic group in Vietnam.
B. The Tay are the second largest ethnic groups of Vietnam.
C. The Tay are second largest ethnic group in Vietnam.
D. The Tay are the second largest ethnic group in Vietnam.
9. important/ Health/ than/ money.
A. Health is more important than money
B. Health is the most important than money
C. Health is more importanter than money
D. Health are more important than money.
10. How/ spring festival/ Bai Dinh Pagoda/ last?
A. How often do the spring festival in Bai Dinh Pagoda last?
B. How long does the spring festival of Bai Dinh Pagoda last?
C. How old do the spring festival at Bai Dinh Pagoda last?
D. How does the spring festival of Bai Dinh Pagoda last?
SECTION 5: writing.
IX. Rewrite each of the following sentences in such a way that it means the same as the first one. (2.0 points)
1. How many teachers are there in your school?
=> How many teachers does ................................................................................................................
2. The photocopy store is to the left of the movie theater.
=> The movie theater is…….………………………………………….………………..……….……
3. Ho Chi Minh City is bigger than Ha Noi.
=> Ha Noi ………………….………..…………………………………..……………..………….….
4. Dung is Mrs. Hoa’s granddaughter.
=> Mrs. Hoa……………………..………………………………………………………..……….…..
5. Why don’t we go to the movies tonight?
=> What ................................................................................................................................................
6. What is the price of this dictionary?
=> How.................................................................................................................................................
7. What’s your favorite drink?
=> What drink…………………………………………………………………………...……………
8. Nobody in my class is taller than Hieu.
=> Hieu…………………………………………………………………………….…………....…….
9. Dr. Kim drives his car to work every morning.
=> Dr. Kim goes....................................................................................................................................
10. The subject Nam likes most at school is English.
=> Nam’s ……………………………………………………………………………………………...
11. In spite of taking a taxi, he arrived late for the meeting.
- Although _________________________________ .
12. It is such a heavy box that I can't carry it.
- The box is ___________________________________ .
1. How many teachers are there in your school?
=> How many teachers does ......................................your school have?..........................................................................
2. The photocopy store is to the left of the movie theater.
=> The movie theater is…….………………is to the right of the photocopy store………………………….………………..……….……
3. Ho Chi Minh City is bigger than Ha Noi.
=> Ha Noi ………………….……is not as big as HCMC…..…………………………………..……………..………….….
4. Dung is Mrs. Hoa’s granddaughter.
=> Mrs. Hoa……………………is Dung's grandmother ..………………………………………………………..……….…..
5. Why don’t we go to the movies tonight?
=> What ...................................about going to the movies tonight?.............................................................................................................
6. What is the price of this dictionary?
=> How............................does this dictionary cost?.....................................................................................................................
7. What’s your favorite drink?
=> What drink………………do you like most?…………………………………………………………...……………
8. Nobody in my class is taller than Hieu.
=> Hieu……………is the tallest in my class……………………………………………………………….…………....…….
9. Dr. Kim drives his car to work every morning.
=> Dr. Kim goes.............................to work by car every morning.......................................................................................................
10. The subject Nam likes most at school is English.
=> Nam’s …………………………favorite subject is English…………………………………………………………………...
11. In spite of taking a taxi, he arrived late for the meeting.
- Although ________he took a taxi, he arrived late for the meeting_________________________ .
12. It is such a heavy box that I can't carry it.
- The box is ______so heavy that I can't carry it_____________________________ .
Câu 6:
The number of values of such that is an integer is
SECTION 5: WRITING
XII. Rewrite each of the following sentences in such a way that it means the same as the first one. (2.0 points)
1. How many teachers are there in your school?
|
ð How many teachers ……………………………………………………………………………
2. The toy store is to the right of the bakery.
ð The bakery ……………………………………………………………………………………
3. Do you and your friends walk to school every day?
ð Do you and your friends go……………………………………………………………………
4. We have English class at 7.15.
ð Our English class……………………………………………………………………………
5. Let us go to the beach and have a good time there.
ð How about…………………………………………………………………………………….
6. Is there a colorful picture in your room?
ð Does …………………………………………………………………………………………..
7. How much is a bowl of noodles?
ð What ……………………………………………………………………………………………
8. I have a brother and two sisters.
ð I have three…………………………………………………………………………………….
9. I spend two hours a day doing my homework.
ð It ……………………………………………………………………………………………….
10. No one in my class is as lazy as Tom.
ð Tom ……………………………………………………………………………………………
TK
1. How many teachers does your school have?
2. The bakery is to the left of the toy store.
3. Do you and your friends go on foot to school every day?
4. Our English class starts at 7.15.
5. How about going to the beach and having a good time there?
6. Does your room have a colorful picture?
7. What is the price of a bowl of noodles?
8. What is the height of the Mount Everest?
9. It took me two hours a day to do my homework.
10. Tom is the laziest in my class.
TK NÈ BRO
1. How many teachers does your school have?
2. The bakery is to the left of the toy store.
3. Do you and your friends go on foot to school every day?
4. Our English class starts at 7.15.
5. How about going to the beach and having a good time there?
6. Does your room have a colorful picture?
7. What is the price of a bowl of noodles?
8. What is the height of the Mount Everest?
9. It took me two hours a day to do my homework.
10. Tom is the laziest in my class.
1. How many teachers are there in your school?
ð How many teachers does your school have ?
2. The toy store is to the right of the bakery.
ð The bakery is to the left of the toy store
3. Do you and your friends walk to school every day?
ð Do you and your friends go to school by foot every day? /do you and your friends go on foot to school everyday
4. We have English class at 7.15.
ð Our English class starts at 7.15
5. Let us go to the beach and have a good time there.
ð How about going to the beach and having a good time there ?
6. Is there a colorful picture in your room?
ð Does your room have a co
lorful ?
7. How much is a bowl of noodles?
ð What is the price of a bowl of noodles ?
8. I have a brother and two sisters.
ð I have three siblings
9. I spend two hours a day doing my homework.
ð It took me two hours a day to do my homework
10. No one in my class is as lazy as Tom.
ð Tom is the laziest student in my class
How many pairs of (m,n) are there such that m^2 +n^2 =50
Answer: pairs.
Có 8 cặp (1;7)(-1:-7)(7;1)(-7;-1)(5;5)(-5;5)(5;-5)(-5;-5)