Brainteaser - John Rolls Twice
John Rolls Twice
Probability
xxxx xxxxx x xxxx xxxxxxxx x-xxxxx xxx. xxxxxxxxx xxxx, xxxxx xx xxx xxxxxxx xxxx xx \( x \), xx xxxxx x xxxx \( (x + x) \)-xxxxx xxx xxx xxx xxxxxx xxxx. xxx xxxxx xx xxx xxx xxx xxx xxxxxx xxxx xxxxx xxxx x xx \( x + x \). xxxx xx xxx xxxxxxxx xxxxx xx xxx xxxxxx xxxx xxxxxxx xx xxxx'x xxxxxx xxxx?
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