High-School Mathematics 2009 Issue 2 Problems about Ordering of Rational Numbers

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High-School Mathematics
1005-6416
2009 Issue 2

Problems about Ordering of Rational Numbers
ZHU Mao-qiao

..............page:2

Planar Geometric Problems about Harmonic Progression of Points
SGEN Yi

..............page:6

Discovery the Structures by Studying the Special Case
FENG Yue-feng

..............page:11

The Way of Mathematical Olympiad: the Things I Want to Do
QIU Zong-hu

..............page:48

Problems on Mathematical Olympiad
TIAN Yong-hai;JIANG Hai-bo;WAN Xi-ren

..............page:45

Two Applications of Ptolemy Theorem
XU Dao

..............page:21

Triangles with Three Integral Edges and A 60°Angle
YU Ying-long

..............page:18

Relationship of Several Inequalities in Mathematical Competition
HUANG Bao-ling;SUN Jian-bin

..............page:16