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- The '''Junior Balkan Mathematical Olympiad''' ('''JBMO''') is an annual contest for students under the age of 15.5 from one of the ...ficulty=4 - 6|breakdown=<u>Problem 1</u>: 4<br><u>Problem 2/3</u>: 5<br><u>Problem 4</u>: 6}}3 KB (472 words) - 02:28, 8 June 2024
- ...s the authors of the problems of the [[Junior Balkan Mathematical Olympiad|JBMO]]. * [[1997 JBMO]]6 KB (524 words) - 16:17, 17 August 2018
- ==Problem== A &= 4(10^{2n-1} + 10^{2n-2} \cdots 10^1 + 10^0) \1,002 bytes (145 words) - 23:14, 27 August 2018
- '''2002 JBMO''' problems and solutions. The 6th JBMO was held in Târgu-Mureş, Romania in 2002. * [[2002 JBMO Problems]]560 bytes (58 words) - 15:53, 18 August 2018
- ...JBMO''' problems and solutions. The 7th JBMO was held in İzmir, Turkey in 2003. * [[2003 JBMO Problems]]552 bytes (57 words) - 12:55, 25 August 2018
- '''2004 JBMO''' problems and solutions. The 8th JBMO was held in Novi Sad, Yugoslavia in 2004. * [[2004 JBMO Problems]]558 bytes (58 words) - 12:56, 25 August 2018
- ==Problem 1== [[2003 JBMO Problems/Problem 1|Solution]]2 KB (330 words) - 12:59, 25 August 2018
- ==Problem 1== ...lity <cmath> \frac{ x+y}{x^2-xy+y^2 } \leq \frac{ 2\sqrt 2 }{\sqrt{ x^2 +y^2 } } </cmath> holds for all real numbers <math>x</math> and <math>y</math>,2 KB (301 words) - 22:49, 16 September 2018