Selasa, 14 September 2010

17th Canadian Mathematical Olympiad Problems 1985

17th Canadian Mathematical Olympiad Problems 19851.  A triangle has sides 6, 8, 10. Show that there is a unique line which bisects the area and the perimeter. 2.  Is there an integer which is doubled by moving its first digit to the end? [For example, 241 does not work because 412 is not 2 x 241.]