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# Category Archives: Grade 8

## [Soln] 2015 Romania Junior Balkan TST Day 1 Problem 3

2015 Romania Junior Balkan TST 1.3. Let . Show that: Advertisements

## 2015 Romania Junior Balkan TST Day 1 Problem 3

2015 Romania Junior Balkan TST 1.3. Let . Show that:

## [Soln] 2015 Romania Junior Balkan TST Day 1 Problem 1

2015 Romania Junior Balkan TST 1.1. Let be an acute triangle with . Also let be the midpoint of the side , the orthocenter of the triangle , the midpoint of the segment and the center of the circumscribed circle … Continue reading

## 2015 Romania Junior Balkan TST Day 1 Problem 1

## [Soln] 2015 Romania Junior Balkan TST Day 1 Problem 4

2015 Romania Junior Balkan TST 1.4. Solve in non-negative integers the following equation:

## 2015 Romania Junior Balkan TST Day 1 Problem 4

2015 Romania Junior Balkan TST 1.4. Solve in non-negative integers the following equation:

## [Soln] 2002 Moldova NMO Grade 8 Day 2 Problem 4

2002 Moldova NMO Gr 8 2.4. Let . Find the minimum and maximum values of the expression: