Life long sharing . . .

Maths Olympiad – 不定方程

Posted on: July 6, 2016

Here is an intro of “what is 不定方程”:

bdfc1

And I find the “交叉增量法” very useful.

bdfc2

Some basic methods/tips when tackling 不定方程 questions:

bd

Also, you can use 整数分离法 to solve this kind of problems, as depicted below:

bd2

Watch this video for further explanation:

Resources:

http://www.360doc.com/content/07/0208/14/19571_360140.shtml

http://www.aoshu.com/tk/aszsd/zt/bdfc/

http://www.tudou.com/programs/view/wrqY4j7I81k

 

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