How many pairs of two - digit natural numbers have a difference equal to 40? up>?
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How many pairs of two - digit natural numbers have a difference equal to 40?
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có bao nhiêu cặp mềm I - chữ số tự nhiên con số có một sự khác biệt bằng 40
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Có bao nhiêu cặp hai - chữ số tự nhiên con số có một sự khác biệt bằng 40 ?
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How many pairs of two-digit natural numbers have a diference equal to 40
Answer:......pairs
A,B,C,D,A+C,B+C,A+D,B+D represent 8 diffirent natural numbers from 1 to 8. If A is the largest number in the number from 1 to 8.Find A
How many natural numbers are there between 100 and 999 that unit-digit and tens-digit equal hundreds-digit ?
The numbers from 1 to 1000 are written. How many of these numbers have at least two digit 5?
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 usi...
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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!
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
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câu 1: 45
câu 2:450 tens
câu 4:42
câu 6:4067
How many natural numbers having three digits such that the tens digit spuared equals the product of other digits and the difference between that numbers and its reversed order is 495
How many natural numbers having three digits such that the tens digit squared equals the product of other digits and the difference between that number and its reversed order is 495?
Answer: There are numbers.
Mk dịch ra cho các bạn hiểu nè, chứ mình không biết làm, hì hì
Có bao nhiêu số tự nhiên có ba chữ số mà chữ số hàng chục bình phương bằng tổng của các chữ số khác và sự khác biệt giữa số lượng và thứ tự đảo ngược của nó là 495?
Trả lời: Có....số
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How many natural numbers having three digits such that the tens digit squared equals the
product of other digits and the difference between that number and its reversed order is 495?
Answer: There are numbers.
choose any three digit from 1 to 9 to from a 3 - digit number and each digit is chosen only once how many of these have the sum of all digit equal to 13