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estpido
@estpido
July 2022
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Помогите)
(корень из 11 + корень из 7)^2 - 2(корень из 77+4)
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pocchtaa
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(√11+√7)²-2(√77+4)=(√11)²+2*√11*√7+(√7)²-2√77-8=
=11+2√77+7-2√77-8=10
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(√11+√7)²-2(√77+4)=(√11)²+2*√11*√7+(√7)²-2√77-8==11+2√77+7-2√77-8=10