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14 tháng 9 2015

Có bao nhiêu số có hai chữ số N có các tài sản mà tổng của N và số lượng được hình thành bằng cách đảo ngược các chữ số của N là một hình vuông hoàn hảo?
Các SAMF vuông có diện tích 169. Nó chứa hai qua các quảng trường vỗ. Nhỏ hơn của những sqares có một khu vực mà là một phần tư lớn hơn của họ, và các erea của chồng lên nhau của họ là 4. erea của vùng bóng mờ là gì?
Trong sơ đồ, mỗi số nguyên từ 1 đến 9 là phải được đặt trong một vòng tròn, cả chiều ngang và đường chéo, thêm vào 18. 6 và 1 đã được điền vào như hình vẽ. Xác định giá trị của các số đại diện bởi x trong biểu đồ. Biện minh cho câu trả lời của bạn
Bao nhiêu chữ số không số năm 2013 có?

Câu 1 :Each of cars can take 8 people. How many cars needed to take 124 people? Câu 2 : How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits? Câu 3 : The average of five numbers is 20. The average of the five number is 18 when one of the numbers is chaned to 4. What is the orginal value of the changed number? Câu 4 :A book has 250 pages starting at number 1. How many digits are there in the page numbers of the book? Câu 5...
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Câu 1 :Each of cars can take 8 people. How many cars needed to take 124 people?

Câu 2 : How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits?

Câu 3 : The average of five numbers is 20. The average of the five number is 18 when one of the numbers is chaned to 4. What is the orginal value of the changed number?

Câu 4 :A book has 250 pages starting at number 1. How many digits are there in the page numbers of the book?

Câu 5 : Find A, if A is 3 less than the average of 48; 55; 29 and A. The value of A is…

Câu 6 : The sum of denominator and numerator of a fraction is 121 and the fraction is equal to 4/7. Find the denominator of the fraction?

Câu 7 : The sum of two numbers is equal to 77. If the first number is multiplied by 8 and the second by 6, the two product are equal. The larger of these numbers is…

Câu 8 : Which is the greatest 2 - digit number divisible by 2, 3 and 4?

Câu 9 : Calculate: (1 + 2/5) x 6/7.

Câu 10 : Give the number sequence: 1, 4, 7, 10, 13, … Find the 15th term of the number sequence.

2
13 tháng 12 2018

cậu lạc đè rồi

27 tháng 12 2020

câu 1:16 ; câu 2 : ai mà biết được 

12 tháng 10 2016

1) Fill the mussing number. A cube has \(8\) veres

2) Fill the missing number. We're in the \(21\) st century

3) Ther are only two 2-digit numbers that are a multiple of 7 and the sum of thetr two digits is 10. Find the sum of these two 2-digit numbers: 70,119,140,21 \(70\)

4) The fourth power of 3 is \(64\)

5) Twice the square of 3 \(18\)

6) The number of ethnic group in Vietnam? \(54\)

7) The perimeter of 4cm square egde in cm? \(1\)

12 tháng 10 2016

rảnh hè

10 tháng 11 2016

Câu 1: Cho chia hết cho 9. giá trị là gì?

Câu 2: Có bao nhiêu phần tử của tập A chia hết cho 9?

Câu 3: A là một tập hợp các bội số của 12 ít hơn 12. Làm thế nào nhiều yếu tố không tập A có?

Câu 4: Tìm dư khi chia cho 3. Câu 5: Cho rằng 511 là tổng của hai số nguyên tố và,. giá trị là gì?

Câu 6: Cho rằng. Tìm giá trị của.

Câu 7: Cho rằng. không số A có bao nhiêu ước?

Câu 8: Tìm số tự nhiên vì thế sản phẩm và 5 là số nguyên tố.

Câu 9: Cho rằng. không số A có bao nhiêu ước?

Câu 10: Cho rằng. Một số có bao nhiêu ước?

10 tháng 11 2016

Câu 1: Given that  is divisible by 9. What is the value of ? 
Câu 2: How many elements of the set A are divisible by 9?
Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?
Câu 4:Find the remainder when  is divided by 3.
Câu 5:Given that 511 is the sum of two prime numbers  and , . What is the value of ?
Câu 6:Given that . Find the value of .
Câu 7:Given that . How many divisors does the number A have?
Câu 8:Find the natural number  so that the product of  and 5 is a prime number.
Câu 9:
Given that . How many divisors does the number A have?
Câu 10:
Given that . How many divisors the number A have?

3 tháng 2 2017

Câu 1) bằng 25 lấy số lớn trừ số bé là 38 - 13 = 25

toan quoc te nhaQuestion 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...
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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.

0
Câu 1:A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?Câu 2:It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?Câu 3:If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?Câu 4:What is the next number...
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Câu 1:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?

Câu 2:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?

Câu 3:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?

Câu 4:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?

Câu 5:
What is the value of the following expression: ?

Câu 6:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
(write your answer in order from least to greatest and use ";" between the numbers)

Câu 7:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?

Câu 8:
Use the table of values to help you find the value of 9 feet in inches.

Câu 9:
If  and , what is the value of ? 

Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
 

 

5
5 tháng 11 2016

it's math for vietnamese ok 

5 tháng 11 2016

chịu tk nhé @@@@@@@@@@@@

21 tháng 6 2015

Hãy xem xét các thiết lập của một trăm số tự nhiên đầu tiên {0,1,2,3, ..., 99}. K là tổng các chữ số của một số trong các thiết lập. Tìm giá trị của k như vậy mà số lượng các số có chữ số thêm đến các giá trị tương tự là cực đại.
 

 

Câu 1:A is a set of multiples of 12 less than 12. How many elements does the set A have?Answer: The set A has  element(s)Câu 2:Find the remainder when  is divided by 9.Answer: The remainder is Câu 3:Find the remainder of  when it is divided by 3.Answer: The remainder is Câu 4:A is the set of factor of 12 more than 6. How many elements does the set A have?Answer: The set A has  element(s)Câu 5:Find the natural number  so that the product of  and 5 is a prime number.Answer: Câu 6:Given...
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Câu 1:
A is a set of multiples of 12 less than 12. How many elements does the set A have?
Answer: The set A has  element(s)

Câu 2:
Find the remainder when  is divided by 9.
Answer: The remainder is 

Câu 3:
Find the remainder of  when it is divided by 3.
Answer: The remainder is 

Câu 4:
A is the set of factor of 12 more than 6. How many elements does the set A have?
Answer: The set A has  element(s)

Câu 5:
Find the natural number  so that the product of  and 5 is a prime number.
Answer: 

Câu 6:
Given that . How many divisors does the number A have?
Answer: The number A has  divisors.

Câu 7:
Given that . How many divisors does the number A have?
Answer: The number A has  divisors.

Câu 8:
How many prime numbers less than 10 are there?
Answer: There are  numbers. 

Câu 9:
Find the greatest 2-digit number that has 12 divisors.
Answer: It is 

Câu 10:
Among all natural number pairs  satisfy , one pair has the greatest product. What is this product?
Answer: The greatest product is 

2
20 tháng 5 2017

Theo tớ thì cậu nên đăng câu này ở mục hỏi toán bằng tiếng anh !

20 tháng 5 2017

bạn nói gì thế

 Câu 1:It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?Answer: minutes.Câu 2:Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:If your code is sum of the letter values, what is...
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Câu 1:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?
Answer: minutes.

Câu 2:
Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:

If your code is sum of the letter values, what is the value of "MATH" ?
Answer: 

Câu 3:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?
Answer:  dollar.

Câu 4:
How many apples would you get from the 10th tree if a farmer notices a pattern from picking the apples on the 1st through the 10th tree. He picked 4 from the first tree, 7 from the second tree and 10 from the third tree.

Answer: 
 

Câu 5:
Use the table of values to help you find the value of 9 feet in inches.

Answer: 

Câu 6:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
Answer: The two numbers are .
(write your answer in order from least to greatest and use ";" between the numbers)

Câu 7:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with  cans on the first level,  on the second level and continue the pattern all the way up to just one can on top?
Answer:  cans.

Câu 8:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?

Answer:  beans.

Câu 9:
Joel is three years younger than his brother Jaime. The sum of their ages is fifty-five. How old is Joel?
Answer:  years old.

Câu 10:
If  and , what is the value of ?
Answer: 

 

14
18 tháng 11 2016

bạn viết tiếng anh thì ai trả lời được

18 tháng 11 2016

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