Probability

A Bound on Positive Sums

Difficulty
xxx \(x\) xxx \(x\) xx xxxxxxxxxxx, xxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxx xxxxxx xxxxxxxxx xxxx \(x(x>x)=x.x\). xx xx xxxxxxxx xxxx \(x(x+x>x)=x.x\)? xx xx, xxxxxxxxx xxxx x xxxxxxxxxxxx; xxxxxxxxx, xxxxx xxxx xx xx xxxxxxxxxx.

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