I want to choose 3 card out of 7card and arrange it.How many way can i arrange it?
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I want to choose 3 card out of 7card and arrange it.How many way can i arrange it?
Added 3+ months ago:
There is 7 card labelled as 1,1,2,2,3,4,5
If I want to choose 3 card out of 7card and arrange it.
How many way can i arrange it?
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