Puzzle A Puzzle B.

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Presentation transcript:

Puzzle A Puzzle B

Below is an equation that is not correct yet. By adding a number of plus signs and minus signs between the digits on the left side (without changing the order of the digits), the equation can be made correct. 123456789 = 100 Answer: http://www.puzzle.dse.nl/math/plus_and_minus_us.html

The numbers from 1-16 are to be placed in a sequence, so that the sum of each two consecutive numbers (numbers in a row) adds up to a square number. Square numbers = 1, 4, 9, 16, 25, 36, etc…. Answer: http://www.puzzle.dse.nl/math/square_sequence_us.html