Brainteaser iconBrainteaser - The Expected Gap on Two d30 Rolls

The Expected Gap on Two d30 Rolls
Probability
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xxx \(x\) xxx \(x\) xx xxx xxxxxxx xx xxx xxxxxxxxxxx xxxxx xx xxxx xx-xxxxx xxxx, xxxx xxxxxx xxxxxx \(x,x,\xxxx,xx\). xxxx xx \(\xxxxxx{x}[|x-x|]\)?

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