mathschallenge.net http://mathschallenge.net A website dedicated to the puzzling world of mathematics en mathschallenge.net codex@mathschallenge.net (Colin Hughes) Sun, 30 Nov 2008 18:19:17 GMT 60 mathschallenge.net http://mathschallenge.net/images/mathschallenge_logo.png 80 80 http://mathschallenge.net Fractional Stepshttp://mathschallenge.net/rss_display.php?titleid=fractional_steps Problem ID: 350 (30 Nov 2008) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=fractional_steps Sun, 30 Nov 2008 00:00:00 GMT Sum Of Two Abundant Numbershttp://mathschallenge.net/rss_display.php?titleid=sum_of_two_abundant_numbers Problem ID: 349 (08 Nov 2008) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=sum_of_two_abundant_numbers Sat, 08 Nov 2008 00:00:00 GMT Even Sum Of Two Abundant Numbershttp://mathschallenge.net/rss_display.php?titleid=even_sum_of_two_abundant_numbers Problem ID: 348 (08 Nov 2008) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=even_sum_of_two_abundant_numbers Sat, 08 Nov 2008 00:00:00 GMT Falling Soundhttp://mathschallenge.net/rss_display.php?titleid=falling_sound Problem ID: 347 (21 Sep 2008) / Difficulty: 3 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=falling_sound Sun, 21 Sep 2008 00:00:00 GMT Largest Roothttp://mathschallenge.net/rss_display.php?titleid=largest_root Problem ID: 346 (21 Sep 2008) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=largest_root Sun, 21 Sep 2008 00:00:00 GMT Exponential Symmetryhttp://mathschallenge.net/rss_display.php?titleid=exponential_symmetry Problem ID: 345 (09 Jul 2008) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=exponential_symmetry Wed, 09 Jul 2008 00:00:00 GMT Rounding Errorhttp://mathschallenge.net/rss_display.php?titleid=rounding_error Problem ID: 344 (09 Jul 2008) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=rounding_error Wed, 09 Jul 2008 00:00:00 GMT Multiplicatively Perfecthttp://mathschallenge.net/rss_display.php?titleid=multiplicatively_perfect Problem ID: 343 (26 Jun 2008) / Difficulty: 3 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=multiplicatively_perfect Thu, 26 Jun 2008 00:00:00 GMT Area Of Annulushttp://mathschallenge.net/rss_display.php?titleid=area_of_annulus Problem ID: 342 (26 Jun 2008) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=area_of_annulus Thu, 26 Jun 2008 00:00:00 GMT Equable Rectangleshttp://mathschallenge.net/rss_display.php?titleid=equable_rectangles Problem ID: 341 (18 Jun 2008) / Difficulty: 3 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=equable_rectangles Wed, 18 Jun 2008 00:00:00 GMT Divided Squarehttp://mathschallenge.net/rss_display.php?titleid=divided_square Problem ID: 340 (18 Jun 2008) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=divided_square Wed, 18 Jun 2008 00:00:00 GMT