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Math Olympiad is harmful

王文湛 教授 (80) is a Math Prof in 清华,yet he can’t solve his 10-year-old grandson (Primary 4) Math Olympiad questions in Combinatorics.
The harms to kids math education: 28 more words


Kind of Harmonic function. USA TST, 2018. Part I.

I plan in two post to comment on a type of problems, given at some IMO level competitions. We have a function defined on the lattice points of the plane. 553 more words

Math Olympiads

[Nigeria] Imo 'Payroll Fraudsters' to be arraigned - Gov. Uzodinma

The Imo state governor, Hope Uzodinma, Monday revealed the plan of his government to arraign in court those behind the payroll fraud discovered in Imo civil service. 524 more words

Noble Reporters

IMO (1988) 6th Problem

In the 1988 IMO only 11 contestants solved this 6th problem, including 2 future Fields Medalists : Terrence Tao (12 years old) & G. PERLMAN. 27 more words


Tragedy as Siblings dies in Ebonyi River. [Nigeria]

>>> Police inspector found dead in Imo <<<

Residents living around Shell Camp near Alvana Primary School, Owerri in Imo State, were yesterday morning thrown into confusion as they woke up to see the lifeless body of a Police Inspector attached to the Imo State police command, Kaura Haruna, on the floor. 756 more words

Noble Reporters

Police Inspector Attached To Imo Govt House Found Dead

A police inspector, Haruna Kawura, attached to the Imo State Government House was on Tuesday found dead at the Avana Shell camp in Owerri, the state capital. 85 more words


Characterization of a right triangle

Problem. Show that a triangle is a right triangle if and only if

Vietnam 1981

Solution. (By removeablesingularity)

Suppose that is a a right triangle. 77 more words