Browse · MathNet Print → Ukrainian Mathematical Olympiad Ukraine algebra Problem Let f(x)=3x2−3x+1x3. Compute f(20121)+f(20122)+⋯+f(20122012). Solution — click to reveal Зауважимо, що f(2012i)=i3+(2012−i)3i3, 1≤i≤2012. Тоді f(20121006)=21,f(20122012)=1,f(2012i)+f(20122012−i)=1,1≤i≤1005. Відповідь: 22013. Final answer 2013/2 Techniques Polynomial operationsSums and products ← Previous problem Next problem →