Magyar Information Contest Journal Articles

Problem B. 4724. (September 2015)

B. 4724. Solve the inequality $\displaystyle x+y-xy+\frac{1}{x} +\frac{1}{y} -\frac{1}{xy}\le 2$ and represent it in the coordinate plane.

(4 pont)

Deadline expired on 12 October 2015.

Statistics:

 158 students sent a solution. 4 points: 97 students. 3 points: 19 students. 2 points: 21 students. 1 point: 17 students. 0 point: 3 students. Unfair, not evaluated: 1 solution.

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