Sunday, July 13, 2008

Sum must be 100!

Arrange the numbers from 1 to 9 to get the sum of 100, only by using Addition (+) and multiplication (x).

Answer (select the gray box to see the answer):

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 x 9 = 100

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