số đó là 42857. Chúc em học tốt, muốn biết cách làm thì tích đúng và kb nha
Chúc bạn học tốt. Cảm ơn bạn nhiều
số đó là 42857. Chúc em học tốt, muốn biết cách làm thì tích đúng và kb nha
Chúc bạn học tốt. Cảm ơn bạn nhiều
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 digit1 at the end of this number as . find this number.
Ai giải cả tiếng việt lẫn tings anh thì mk t
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 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?
The sum of the digits of a ten-digit number is epual to 9.What is the product of the digits of this number?
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 ?
a) find the next two term in the sequence: 1; 4; 9; 16; 25;....;.....;
Answer:
b) find the smallest two-digit number whose number is 7 times the sum of its digits?
Answer: