SOLUTION: Use the formula (a+b)(a-b) = a2-b2 to complete 99x101

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Question 994366: Use the formula (a+b)(a-b) = a2-b2 to complete 99x101
Answer by Alan3354(69443) About Me  (Show Source):
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Use the formula (a+b)(a-b) = a2-b2 to complete 99x101
--> 100^2 - 1 = 9999