Math Contests: High School, Vol. 4- School Years: 1996-97 through 2000-2001
Math Olympiad Contest Problems for Elementary and Middle Schools, Vol. 1
Math Contests, Grades 7 & 8, Vol. 1- School Years: 1977-78 Through 1981-82
Competition Math for Middle School
A1. Find all pair of natural numbers x, y such that: (2x + 1)(2x + 2)(2x + 3)(2x + 4) - 5y = 11879(For 6th grade)
A2. Let n be
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