Math tricks
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Sum of whole numbers from 1 to N
(n^2+n) /2
Handshake problem
(n^2-n) /2
sum of the first n odd numbers
n^2
sum of the first odd integers 1-n
(n/2)^2
lcm
multiply greatest exponents of numbers in prime factorizations
gcf
multiply least common exponents of prime factorizations of two numbers
types of triangles
Card Set Information
Author:
t3l3tubie
ID:
55236
Filename:
Math tricks
Updated:
2010-12-12 16:10:37
Tags:
math
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Description:
<b> I don't like descriptions </b>
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