Ответ:
(√11)2-(2√7)2=-17
11-(2√7)2=-17
11-(2)2-(√7)2=-17
11-4*7=-17
11-28=-17
-17
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Ответ:
(√11)2-(2√7)2=-17
11-(2√7)2=-17
11-(2)2-(√7)2=-17
11-4*7=-17
11-28=-17
-17