3 articles trouvés pour ce sujet.
 |
|
|
|
|
|
|
|
|
When is John's next birthday on a Friday? |
2019-03-15 |
|
Darek pose la question :
The question is the following:
Last Friday 4th of April of 2014 John was 40 years old. How old will John be the next time when his birthday fell on Friday?
Thanks for your help
Penny Nom lui répond. |
|
|
|
|
|
|
The astronomers' calendar |
2000-11-29 |
|
Show_Li pose la question :
The calendar that astronomers use began on Jan. 1, 4713 B.C. on that day, the julian calendar, the lunar calendar, and roman tax system calendar all coincided. This won't happen again until 3267 A.D.
(a). How many years ago was the astronomer's calendar started?
(b). Find the number of years between times that the three calendars coincided.
Penny Nom lui répond. |
|
|
|
|
|
|
Prime dates |
1999-03-25 |
|
Jessica Brown pose la question :
I'm asking how do you figure out all the prime numbers in a year and, whats the average amount of prime numbers per week.
Jack LeSage and Penny Nom lui répond. |
|
|
