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Euler problems/81 to 90

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m (EulerProblems/81 to 90 moved to Euler problems/81 to 90)

Revision as of 00:24, 29 March 2007


1 Problem 81

Find the minimal path sum from the top left to the bottom right by moving right and down.


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2 Problem 82

Find the minimal path sum from the left column to the right column.


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3 Problem 83

Find the minimal path sum from the top left to the bottom right by moving left, right, up, and down.


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4 Problem 84

In the game, Monopoly, find the three most popular squares when using two 4-sided dice.


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5 Problem 85

Investigating the number of rectangles in a rectangular grid.


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6 Problem 86

Exploring the shortest path from one corner of a cuboid to another.


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7 Problem 87

Investigating numbers that can be expressed as the sum of a prime square, cube, and fourth power?


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8 Problem 88

Exploring minimal product-sum numbers for sets of different sizes.


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9 Problem 89

Develop a method to express Roman numerals in minimal form.


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10 Problem 90

An unexpected way of using two cubes to make a square.


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