Предмет: Математика, автор: gergergerg53

34 балла!!!!!
Помогите срочно!!!

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Автор ответа: utyaninazhenya
0
выражение сверху рассмотрим как формулу (а+b)*(a-b) = a²-b²
получается все под корнем  sqrt{18}
Автор ответа: utyaninazhenya
0
прошу прощения. сейчас допишу
Автор ответа: gergergerg53
0
хорошо
Автор ответа: utyaninazhenya
0
в общем ответ будет 1
Автор ответа: falom123
0
спсибо)
Автор ответа: Patya240698
0
(√(√18-2)×√(√18+2))/√14
(√(√18-2)(√18+2))/√14
√(18-4)/√14
√14/√14=√1
√1=1
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