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e
7
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\(\div\)
\(\sqrt{\,}\)
\(a^{b}\)
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Mr. T has 5 algebra books, 3 geometry books, and 4 analysis books. In how many ways can he arrange them on a shelf in his library by grouping them by subject?
\( 12^{12} \)
\( 3! \times 5! \times 3! \times 4! \)
\( 5! \times 3! \times 4! \)
\( 12! \)
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