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12 cards from this deck
An irrational number left in square root form that cannot be simplified
To keep calculations exact
ab\sqrt{ab}ab
aaa
Identify square factors
525\sqrt{2}52
353\sqrt{5}35
Only when they are the same type
Combine their coefficients
Eliminating surds from bottom of fraction
Multiply top & bottom by b\sqrt{b}b
3+23 + \sqrt{2}3+2 (change the sign)
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