SOLUTION:

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Question 598326:
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!
Using exactly five 5's, construct an expression that will equal 100. You may use the operation symbols, +, -, •, and \ as well as parentheses or bracket. There are three different ways. Can u find them

(5+5+5+5)×5 = 20×5 = 100

(5×5×5)-(5×5) = 125-25 = 100

5×5×(5-5/5) = 25×(5-1) = 25×4 = 100

Edwin