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5 points: 60 ⁄ 216 (27.78%) One pair plus any other value; the odd die is the point value. This is sometimes called "spare and a pair" or "pair and a point". For example, either 2-2-5 or 1-1-5 would give a point value of 5, and either would outscore a roll of 3-3-4 (point value of 4), which would in turn outscore a roll of 5-5-2 (point value ...
For odd square, since there are (n - 1)/2 same sided rows or columns, there are (n - 1)(n - 3)/8 pairs of such rows or columns that can be interchanged. Thus, there are 2 (n - 1)(n - 3)/8 × 2 (n - 1)(n - 3)/8 = 2 (n - 1)(n - 3)/4 equivalent magic squares obtained by combining such interchanges. Interchanging all the same sided rows flips each ...
Haga's theorems say that a particular set of constructions can be used for such divisions. [19] [20] Surprisingly few folds are necessary to generate large odd fractions. For instance 1 ⁄ 5 can be generated with three folds; first halve a side, then use Haga's theorem twice to produce first 2 ⁄ 3 and then 1 ⁄ 5.
Equivalently, this is the smallest set that could be produced by a greedy algorithm that tries to solve the no-three-in-line problem by placing points one at a time until it gets stuck. [3] If only axis-parallel and diagonal lines are considered, then every such set has at least n − 1 {\displaystyle n-1} points. [ 18 ]
Consider the following set of dice. Die A has sides 2, 2, 4, 4, 9, 9. Die B has sides 1, 1, 6, 6, 8, 8. Die C has sides 3, 3, 5, 5, 7, 7. The probability that A rolls a higher number than B, the probability that B rolls higher than C, and the probability that C rolls higher than A are all 5 / 9 , so this set of dice is intransitive. In ...
Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.
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Dots and boxes is a pencil-and-paper game for two players (sometimes more). It was first published in the 19th century by French mathematician Édouard Lucas, who called it la pipopipette. [1] It has gone by many other names, [2] including dots and dashes, game of dots, [3] dot to dot grid, [4] boxes, [5] and pigs in a pen. [6]