Các câu hỏi tương tự
tom added all old numbers from 1 to 1999 .Ana added all even numbers from 2 to 2000 .then Mary subtracted tom"s result from Ana"s result . Mary "s result is...
Peter added all odd numbers from 1 to 999. Jane added all even numbers from 2 to 1000. Then Mary subtracted Peter’s result from Jane’s result. Mary’s result is
Question 8:
Share 200 dollars for you and 4 your friends. Each person gets dollars.
Question 9:
Peter added all odd numbers from 1 to 999. Jane added all even numbers from 2 to 1000. Then Mary subtracted Peter’s result from Jane’s result. Mary’s result is
Question 10:
Nick has 34 boxes of 11 marbles each. He gives his friend 15 marbles. How many marbles does he have left?
Answer: marbles.
The average of all the numbers from 1 to 99 is ......... ?
Susan writes all the counting numbers, from 11 to 100100, on a piece of paper. She then asks her sister to find the number of all the digits found on the paper. The answer is ......?
Giúp mình nhé các bạn !!!!!!
Choose 3 digits from 8, 6, 0, 5, 2 and 1 to form 3-digit numbers. How many odd numbers
are there? (The repetition of digits is not allowed)giúp me với
Tom writes the consecutive natural numbers from 1 to 10 on a board. If he erases some of the numbers and adds up the remaining ones then he will get a sum of 40. The number of numbers that is erased on the board at most is………
Question 9:
Three years ago, Nora was half as old as Mary is now. If Mary is four years older than Nora then Mary is ............. years old now.
Question 10:
It took boys hours to clean a house. How many boys are needed to clean the house in hours?
The result is: ...... boys.
Susan writes all the counting numbers, from 11 to 100100, on a piece of paper. She then asks her sister to find the number of all the digits found on the paper. The answer is .....