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ajiqu
@ajiqu
July 2022
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1) (всё под корнем) 21*6*7*8
2) (все под корнем) 72*6*45*15
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zinaidazina
1)
√(
21*6*7*8) =
√(3·7·3·2·7·8) = √(3² · 7² · 2·8) = 3·7·√16 = 21·4 = 84
2)
√(
72*6*45*15) =
√
(9
·8·3·2·9·5·5·3
) =
√(3² · 5² · 9² · 2·8) = 3·5·9·√16 =
= 3·5·9·4 = 540
7 votes
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Answers & Comments
√(21*6*7*8) = √(3·7·3·2·7·8) = √(3² · 7² · 2·8) = 3·7·√16 = 21·4 = 84
2)
√(72*6*45*15) = √(9·8·3·2·9·5·5·3) = √(3² · 5² · 9² · 2·8) = 3·5·9·√16 =
= 3·5·9·4 = 540