
Easy Math Puzzles
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3 9 7 6 0 2  9 9 9Two squares that are complementary are 0 and 9. Two primes that are complementary are 2 and 7. Show that there are no others.



x^{3}yz + x^{2}zy^{2} + 3z^{2}xy = 315 2y^{2}zx^{2}  4yzx^{3} + xz^{2}y = 49 6z^{2}yx  4zx^{2}y^{2} + 9zx^{3}y = 6 
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