362) 27/4/2009
Today I learnt that there is a notable pattern in maths whereby 1,111 x 1,111 = 1234321 and 11,111 x 11,111 = 123454321 etc. It stems from 11 x 11 which of course equals 121 and the pattern continues from there.
----------------------------------------------
skip to main |
skip to sidebar
Quite simply: I write down one new thing I've learned each day.
No comments:
Post a Comment