Re: more math terminology
- From: "Jess Askin" <jessaskinDONTTYPETHISPART@xxxxxxxxx>
- Date: Sat, 24 Sep 2005 17:01:08 -0500
smw wrote:
> Since some of you are ever so kind... My son's taking some math
> enrichment thingee on the Internet via Northwestern, this week's
> assignment includes the following "hints":
>
> Perfect squares are in b5, b3, d3, b1 and c1.
> Prime numbers are in a5, c5, e5, c4, a3, c3, e3, e2 and a1.
> Triangular numbers are in d5, e4, d3, a1, e1 and c2.
> Perfect cubes are in d3 and b2.
> Powers of 2 are in b5, b2, e2 and b1.
> Palindromic numbers are in a5 and d1.
> Factors of 100 are in b5, d5, c4, b3, d3, a2 and e2.
> The median of all the numbers is in c3.
> Row 3 and column c are all odd.
> Numbers that are the same upside-down are in a5, d3 and b2.
>
> I'm unfamiliar with y'all's terminology and hence partially unable to
> elucidate the assignment. What is a "perfect square" (square of a
> whole number?) What is "a triangular number"? Which numbers are
> considered to be "the same" upside down by Anglos? 3 and 8 or 1's as
> well?
What has this got to do with books?
.
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