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Libniz
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Libniz
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a) 52*51
b) 13(4*3)
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@satellite73
CliffSedge
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52×51 is correct for the first one.
Libniz
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as for b?
CliffSedge
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I think you're right, since there are only 3 possibilities to match the number and the suit has to be different, so 3 possibilities for the second card times the 52 possibilities for the first card.
Libniz
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@zarkon , when you come in ,can you look
Libniz
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was I right?
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so If order didn't matter , do I just divide by 2 @zarkon