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# Counting, permutations, and combinations

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The counting principleGet 3 of 4 questions to level up!

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### Practice

PermutationsGet 3 of 4 questions to level up!

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### Practice

CombinationsGet 3 of 4 questions to level up!

Permutations & combinationsGet 5 of 7 questions to level up!

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Probability with permutations and combinationsGet 3 of 4 questions to level up!