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2 tháng 10 2021

Let the tens digit be x.

=> The ones digit will be x - 2.

The hundreds digit will be 2x.

The sum of all three digits: x + x - 2 + 2x = 14 

=> x = 4

 

The number is: 842.

 

2 tháng 10 2021

Chữ số hàng chục của số có 3 chữ số hơn chữ số hàng đơn vị là 2. Chữ số hàng trăm gấp đôi chữ số hàng chục. Nếu tổng của tất cả các chữ số là 14. Số là gì?

 

Gọi chữ số hàng chục là x.

=> Chữ số hàng đơn vị sẽ là x - 2.

Chữ số hàng trăm sẽ là 2x.

Tổng của cả ba chữ số: x + x - 2 + 2x = 14

=> x = 4

 

Số cần tìm là: 842.

9 tháng 2 2018

A=90

k cho mình nha

7 tháng 2 2018

Nếu A chia cho 9 thì tổng của giá trị và 9 là số lớn nhất 2 chữ số. Tìm giá trị của A. Trả lời: A =

trả lời bài này cho mình vớiCâu 1 How many double digit numbers are there?Answer: numbers. Câu 2 How many single digit numbers are there?Answer: numbers. Câu 3 Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.Answer:  Câu 4 Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.99; 100;  Câu 5 1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought...
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trả lời bài này cho mình với

  • Câu 1

     

    How many double digit numbers are there?
    Answer:

     

    numbers.

     

  • Câu 2

     

    How many single digit numbers are there?
    Answer:

     

    numbers.

     

  • Câu 3

     

    Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
    Answer:

     

     

  • Câu 4

     

    Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
    99; 100;

     

     

  • Câu 5

     

    1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits?
    Answer:

     

    dollar.

     

  • Câu 6

     

    The perimeter of a square garden is 36m. What is its area?
    Answer: Its area is

     

    m^2m2.

     

  • Câu 7

     

    Find the product of 7 tens and 7 ones.
    Answer:

     

     

  • Câu 8

     

    Anna has 206 stickers and Mary has 78 stickers. How many stickers must Anna give to Mary so that they have the same number of stickers?
    Answer:

     

    stickers.

     

  • Câu 9

     

    The product of 40 and a number m, is a 2-digit number that greater than 40. The value of m is

     

     

  • Câu 10

     

    A number has a digit 3 in ones place. It is greater than 64 but less than 82. What number is it?
    Answer:

     

     

2
29 tháng 3 2018

Câu 3: 

Answer:

700.000 + 6000 + 300 + 40 + 2 = 706342.

Câu 5: 

Answer:

Cost to buy apples and buy oranges are:

         (10 x 2) + (8 x 3) = 44 (dollar)

                                     Answer: 44 dollar

Câu 6:

Answer:

The following squares are:

       36 : 4 = 9 (cm)

Square area is:

       9 x 9 = 81 (cm2)

                Answer: 81 cm2

Câu 8:

Answer:

Anna than Mary ket number is:

         208 - 78 = 128 (kets)

So: Anna must give Mary the same number as:

        128 : 2 = 64 (kets)

                    Answer: 64 kets

19 tháng 3 2019

câu 4 là 101 vì số kế tiếp của nó là số có 3 chữ số

LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)Câu 1: The sum of all one digit numbers?Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)Câu 3: Which number below is the word form of 20 300?Câu 4: How many two digit odd numbers are there that are greater than 15?Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?Câu 6: What is the smallest posible number that can be...
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LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)

Câu 1: The sum of all one digit numbers?

Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)

Câu 3: Which number below is the word form of 20 300?

Câu 4: How many two digit odd numbers are there that are greater than 15?

Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?

Câu 6: What is the smallest posible number that can be written using the digits 4, 7, 0, 6? (use each digit only once)

Câu 7: If the sum of three consecutive natural numbers is less than 90, find the largest possible value of the largest natural number is?

Câu 8: How many multiples of 4 lie between 1000 and 2500?

Câu 9: Read number: 35 206 :...........................................................

Câu 10: Jack finished the bicycle race with a time of 34152 seconds, Jane finished with a time of 34215 seconds, and Tina finished with a time of 34125 seconds. In what order did they finish the race?

Câu 11: The The greatest odd number that can be formed by all the digit 1,2,0 and 8 is?

Câu 12: A rectangle having length and breadth are 25cm and 8cm respectively. The perimeter of the rectangle?

Câu 13: Amy put 50 photographs into an online photo album. On each page she could fit eight photos. How many photos were on the last page?

Câu 14: Bon is 5 years old. Ben’s age is 3 years more than the double of Bon’s age. Find the age of Ben?

Câu 15: Which value is equal to 56 hundreds? (56000; 5600 tens; 560 tens; 56 units)

Câu 16:What is the perimeter of  a square with side lengths of 205 cm?  

Câu 17: What is the greatest 3-digit number whose digits total is 13?

Câu 18: Anna has a chocolate chip cookie recipe that makes 60 cookies and calls for 6cups of flour. If he only wants to make 40 cookies. How many cups of flour would he need?

Câu 19: A string of 5m35cm was cut into 5 equal parts. What’s the length of each part in cm?

                               Giúp mình với!

2
4 tháng 12 2021

Câu 1: The sum of all one digit numbers?
1+2+3+4+...+9=45

Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)
 45tens

Câu 3: Which number below is the word form of 20 300?
twenty thousand and three hundred

Câu 4: How many two digit odd numbers are there that are greater than 15?
17; 19; 21; .....; 99=> (99-17):2+1=83 numbers

Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?
5008

Câu 6: What is the smallest posible number that can be written using the digits 4, 7, 0, 6? (use each digit only once)
0476( because it doesn't talk that the number need 4 digits)

Câu 7: If the sum of three consecutive natural numbers is less than 90, find the largest possible value of the largest natural number is?
n;n+1;n+2 => 90:3=30-> n+1=30=> n=29=>n+2=31

Câu 8: How many multiples of 4 lie between 1000 and 2500?
=> 1000\(\le\)x\(\le\)2500=> There are 376 numbers is the multiples of 4

Câu 9: Read number: 35 206 :.thirty five thousand two hundred and six 

Câu 10: Jack finished the bicycle race with a time of 34152 seconds, Jane finished with a time of 34215 seconds, and Tina finished with a time of 34125 seconds. In what order did they finish the race?
The same order

4 tháng 12 2021

câu 1: 45

câu 2:450 tens

câu 4:42

câu 6:4067

13 ; 23 ; 33 ; 43 ; 53 ; 63 ; 73 ; 83 ; 93
--> There are 9 2-digit number that contain the number 3

2 tháng 10 2021

Answer: The smallest whole number she can make is: 1038.

2 tháng 10 2021

Lindsey sử dụng mỗi chữ số 3, 8, 0 và 1 một lần. Tìm số nguyên nhỏ nhất mà cô ấy có thể thực hiện được.

 

=> Trả lời: Số nguyên bé nhất bạn ấy lập được là: 1038.

11 tháng 10 2018

là 990 

k mk nha

14 tháng 10 2018

My answer:

532

P/S:..ko chắc

LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)Câu 1: The sum of all one digit numbers?Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)Câu 3: Which number below is the word form of 20 300?Câu 4: How many two digit odd numbers are there that are greater than 15?Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?Câu 6: What is the smallest posible number that can...
Đọc tiếp

LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)

Câu 1: The sum of all one digit numbers?

Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)

Câu 3: Which number below is the word form of 20 300?

Câu 4: How many two digit odd numbers are there that are greater than 15?

Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?

Câu 6: What is the smallest posible number that can be written using the digits 4, 7, 0, 6? (use each digit only once)

Câu 7: If the sum of three consecutive natural numbers is less than 90, find the largest possible value of the largest natural number is?

Câu 8: How many multiples of 4 lie between 1000 and 2500?

Câu 9: Read number: 35 206 :...........................................................

Câu 10: Jack finished the bicycle race with a time of 34152 seconds, Jane finished with a time of 34215 seconds, and Tina finished with a time of 34125 seconds. In what order did they finish the race?

Câu 11: The The greatest odd number that can be formed by all the digit 1,2,0 and 8 is?

Câu 12: A rectangle having length and breadth are 25cm and 8cm respectively. The perimeter of the rectangle?

Câu 13: Amy put 50 photographs into an online photo album. On each page she could fit eight photos. How many photos were on the last page?

Câu 14: Bon is 5 years old. Ben’s age is 3 years more than the double of Bon’s age. Find the age of Ben?

Câu 15: Which value is equal to 56 hundreds? (56000; 5600 tens; 560 tens; 56 units)

Câu 16:What is the perimeter of  a square with side lengths of 205 cm?  

Câu 17: What is the greatest 3-digit number whose digits total is 13?

Câu 18: Anna has a chocolate chip cookie recipe that makes 60 cookies and calls for 6cups of flour. If he only wants to make 40 cookies. How many cups of flour would he need?

Câu 19: A string of 5m35cm was cut into 5 equal parts. What’s the length of each part in cm?

                      Giúp mình với!

4
4 tháng 12 2021

DỊCH HAY GÌ THẾ BẠN

4 tháng 12 2021

@Nguyễn Thị Cúc

 Giải ra nha bạn!

13 tháng 6 2020

I don`t no 

:<

16 tháng 6 2020

ko bk làgm