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英文字典中文字典相关资料:


  • Cube root - Wikipedia
    Cube root In mathematics, a cube root of a number x is a number y that has the given number as its third power; that is The number of cube roots of a number depends on the number system that is considered
  • 10 Hard Math Problems That Even the Smartest People in the . . .
    Despite the greatest strides in mathematics, these hard math problems remain unsolved Take a crack at them yourself
  • Doubling the cube - Wikipedia
    Doubling the cube, also known as the Delian problem, is an ancient [a][1]: 9 geometric problem Given the edge of a cube, the problem requires the construction of the edge of a second cube whose volume is double that of the first
  • Angle trisection - Wikipedia
    Three problems proved elusive, specifically, trisecting the angle, doubling the cube, and squaring the circle The problem of angle trisection reads: Construct an angle equal to one-third of a given arbitrary angle (or divide it into three equal angles), using only two tools: an unmarked straightedge, and a compass
  • Cubic equation - Wikipedia
    All of the roots of the cubic equation can be found by the following means: algebraically: more precisely, they can be expressed by a cubic formula involving the four coefficients, the four basic arithmetic operations, square roots, and cube roots
  • Prince Ruperts cube - Wikipedia
    A unit cube with a hole cut through it, large enough to allow Prince Rupert's cube to pass In geometry, Prince Rupert's cube is the largest cube that can pass through a hole cut through a unit cube without splitting it into separate pieces Its side length is approximately 1 06, 6% larger than the side length 1 of the unit cube through which it passes The problem of finding the largest square
  • Straightedge and compass construction - Wikipedia
    Gauss showed that some polygons are constructible but that most are not Some of the most famous straightedge-and-compass problems were proved impossible by Pierre Wantzel in 1837 using field theory, namely trisecting an arbitrary angle and doubling the volume of a cube (see § impossible constructions)
  • Nested radical - Wikipedia
    In algebra, a nested radical is a radical expression (one containing a square root sign, cube root sign, etc ) that contains (nests) another radical expression





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