36 and 64
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An example of two numbers which add together to make 100 are 47 and 53.
By definition, a number is square if it is the product of some whole number and itself. For example, 9 is a square number, because it is 3 times 3.100 is square, since 100=10x10.They are called square numbers, because that many stones could be neatly arranged in a square. 9 stones would make a 3 by 3 square, and 100 stones would make a 10x10.
Square the numbers and then add them together. Example: 62 + 82 = 36 + 64 = 100
81 and 9 if you add them. 4 and 25 if you multiply them.
Two of the same numbers that can be multipied and make a number example: the square root of 100 is 10 because 10 multipied by 10 = 100