权威例句
Perfect SquarePerfect SquarePerfect SquareSum Perfect Square Labeling of GraphsPerfect Square Patterns in the Pascal TriangleThe Quest of the Perfect SquareSimple perfect square-cylinders of low orderSimple perfect squared square of lowest orderPseudodeterminants and perfect square spanning tree countsOn the sum of consecutive cubes being a perfect squareConsecutive integers whose sum of squares is a perfect squareTHE FORMULATION OF A PERFECT SQUARE CONSERVATIVE SEMI-IMPLICIT TIME DIFFERENCE SCHEME AND ITS PRELIMINARY CHECKA Steganographic Method Based on Pixel-Value Differencing and the Perfect Square Number
