nghĩa của bài trên là
nếu chúng ta đặt các chữ số 1 vào đầu của một số 5 chữ số , chúng ta có được một số đó là một phần ba là số nhận được nếu chúng ta đặt digit1 vào cuối của số này là . tìm số này .
còn mh ko biết làm
If we put the digit 1 at the beginning of a 5-digit number, we get a number that is one third as number gotten if we put the digit 1 at the end of this number us. Find this number.
Answer:This number is ....
Mary calculates the sum of the digit that she sees on her clock (example : if the clock shows 16:35 then she get 15).what is the biggest sum she can get if the clock is a 24 hour clock?
191 is the number that stays the same when read backwards as when read forwards
How many 4 - digit number have this property?
Câu 9:
The average mass of a group of children is 47kg. If of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?
Trả lời cả tiếng anh cả tiếng việt nhé, ai đúng mik k cho
if delete the last digit of a 3-digit number then it will be decreased by 93 units. Find the original number. Answer the original number is
A 6 digit number begins with the digit 8.The number with divisible by 9 and all digits of the number are different.What is the possible smallest value of this number?
For decimal A. When moving the comma (dấu phẩy ) of the number A to the left of a row, we get the number B, moving the comma of the number A to the right of a row we get the number C. Know that A + B + C = 135,975. Find the number A.
The sum of the digits of a ten-digit number is epual to 9.What is the product of the digits of this number?
