Math

An Odd Selection

Difficulty
xxx xxxx xxxxx xxxxxx: xxx xxxxxxx \(x\) xxxxxxx \(x\), xxx xxx xxxxxxxxxxxxxxxxx xxxxxx xxxx xxxxxxx \(x\). xxx xxxx xxxxxxxx xxxxxxxxxx xx xxxxx xxxxxx xxxxxxx xx xxxxx xxx xxx-xxxxxxx xxxxx? xxxxx xxxx xxx xxxxxx, xxx xxxxxxxxxx xxx xxxxxxxxxx xxxxxxxxx xx xxxx xxxxxxx xxx xxxx xxxxxx xxxx xxx xxxx xxxxxxxxxxxxxx.

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