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How many different numbers can you make if you use the digits 1, 2, 3, 4 once each, in any order, and a times sign?

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How many different numbers can you make if you use the digits 1, 2, 3, 4 once each, in any order, and a times sign. For instance 31x24, or 2x413.

posted Apr 25 by anonymous

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1 Answer

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36


abcd can be shown in 2*3*4=24 different ways
a*bcd, ab*cd, abc*d- 3 ways of times sign each, then 24*3=72 total ways
half of them will be repeat as ab*cd or cd*ab so 72/2=36 is the answer

answer Sep 23 by Hanifa Mammadov



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