Pity Four Fours �How
d�you make the number 7, just using the number 4 four times?� (One possible answer is ) You have probably been asked something similar at some time during your mathematical life. In fact, there are lots of other ways to make 7, including and This gives you a couple of nice Sneaky Tricks that may be new to you:
4! = 4 x 3 x 2 x 1 = 24
and
The
Problem: Well here�s the full Problem � all grown-up and really quite tricky in places: �How d�you make all the numbers from 1 to 20, just using the number 4 four times?� Open the File as a Word Document
|
Send site mail to [email protected]
or personal comments direct to with
questions or comments about this web site. |