Предмет: Алгебра, автор: shishkanova199

помогите решить пример
(1-√2)*(3+√2?в

Ответы

Автор ответа: Аноним
0
(1-√2)(3+√2)=3+√2-3√2-2=1-2√2

(√5-√18)*(5-2√2)=(√5-3√2)(5-2√2)=5√5-2√10-15√2+12

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