Ответ:
1) 7/18;
2) 11/48;
3) -1/21;
4) 7/18;
5) 13/20;
6) 19/72;
7) 17/18
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Answers & Comments
Ответ:
1) 7/18;
2) 11/48;
3) -1/21;
4) 7/18;
5) 13/20;
6) 19/72;
7) 17/18