Magyar Information Contest Journal Articles

# Problem C. 845. (March 2006)

C. 845. In an algebra class on the first of April, the students were practising. The task was to simplify the fraction

Agnes, who was the best at mathematics in the class, suggested that if the denominator is not zero, they should just cross out the threes in all the indices, that is, write

Check the result.

(5 pont)

Deadline expired on 18 April 2006.

Sorry, the solution is available only in Hungarian. Google translation

Megoldás: Természetesen ez az ,,egyszerűsítés" nem megengedhető, hibás lépés. Végezzünk átalakításokat (az a3+b3 és az a3-b3 szorzattá bontását alkalmazzuk):

Vagyis a végeredmény jó.

### Statistics:

>
 292 students sent a solution. 5 points: 264 students. 4 points: 5 students. 3 points: 4 students. 2 points: 3 students. 1 point: 5 students. 0 point: 11 students.

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