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https://math.answers.com/math-and-arithmetic/How_many_4_number_combinations_are_there_in_numbers_1_to_18

How many 4 number combinations are there in numbers 1 to 18? - Answers

There are 18C4 = 18!/[18-4)!4!] = 18*17*16*15/(4*3*2*1) = 3060 combinations.

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How many 4 number combinations are there in numbers 1 to 18? - Answers

https://math.answers.com/math-and-arithmetic/How_many_4_number_combinations_are_there_in_numbers_1_to_18

There are 18C4 = 18!/[18-4)!4!] = 18*17*16*15/(4*3*2*1) = 3060 combinations.

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https://math.answers.com/math-and-arithmetic/How_many_4_number_combinations_are_there_in_numbers_1_to_18

How many 4 number combinations are there in numbers 1 to 18? - Answers

There are 18C4 = 18!/[18-4)!4!] = 18*17*16*15/(4*3*2*1) = 3060 combinations.

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  There are 18C4 = 18!/[18-4)!4!] = 18*17*16*15/(4*3*2*1) = 3060 combinations.
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