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13 cards from this deck
Irrational square roots that can't be written as fractions
Surds give exact values, decimals are approximations
a×b\sqrt{a \times b}a×b
bbb
a/b\sqrt{a/b}a/b
No, cannot be combined or simplified
No, this is a common mistake to avoid
a2+2ab+ba^2 + 2a\sqrt{b} + ba2+2ab+b
a2−ba^2 - ba2−b
Removing square roots from the bottom of fractions
Multiply top and bottom by b\sqrt{b}b
Circle calculations with π\piπ, problems with surds
Preserve mathematical precision, prevent compounding errors
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