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
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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
choose any three digits from 1 to 9 to form a 3 - digit number and each digits is chosen only once. how many of these have the sum of all digit equal to 13
Dịch đề: Chọn bất kỳ ba chữ số từ 1 đến 9 để tạo thành một số gồm 3 chữ số và mỗi chữ số chỉ được chọn một lần. Bao nhiêu trong số này có tổng của tất cả các chữ số bằng 13
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What is the largest 3-digit number that has all of its digits different and is equal to 37 times the sum of its digit ?
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 ?
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
From 4 letters ab18 one can make all 18 numbers with 4 digits. (In a number, each digit is written only once.) The sum of all 18 possible numbers is 90216. Find a and b.
2 tháng 10 2021 lúc 21:42
The tens digit of a 3 - digit number is 2 more than ones digit. The hundreds digit is double the tens digit. If the sum of all digit is 14. What is the number?
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.
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An infinite sequence of numbers 1, 2, 3, 5, 8, 3, 1, 4, 5, 9, 4, … follows the
pattern such that starting from the third number, each number is equal to the units
digit of the sum of the two numbers in the sequence immediately preceding it.
What is the 2019th number of the sequence?
đề bài là gì vậy
Một dãy vô hạn các số 1, 2, 3, 5, 8, 3, 1, 4, 5, 9, 4, ... theo sau bài toán sao cho bắt đầu từ số thứ ba, mỗi số bằng hàng đơn vị của tổng của hai số trong dãy liền trước nó. Số thứ 2019 của dãy là bao nhiêu? =)
A 6 digit number begins with the digit 8. The number is divisible by 9 and all digit of the number are different . What is the possible smallest value of this number ?MNPQ is the square that is made up of to identical rectangles and two square of area 9cm2 and 16cm2. The area of the square MNPQ is ?I have two digit in the decimal part.Iam greater than 75 but less than 80 . What least possible number am I ?
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Một số gồm 6 chữ số bắt đầu bằng chữ số 8. Số này chia hết cho 9 và tất cả các chữ số của số này đều khác nhau. Giá trị nhỏ nhất có thể có của số này là gì? MNPQ là hình vuông được tạo thành từ các hình chữ nhật giống hệt nhau và hai hình vuông có diện tích 9cm2 và 16cm2. Diện tích của hình vuông MNPQ là? Tôi có hai chữ số trong phần thập phân. Tôi lớn hơn 75 nhưng nhỏ hơn 80. Tôi ít nhất có thể là số nào?