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Dianna4
a fost răspuns

Calculati √91/√7³•13 ; √5³•7²/√11²•5 ;

Răspuns :

MFM
a)√91/√(7³•13) ; √(5³•7²)/√(11²•5 )
√91/√(7³•13)=√(7.13)/√(7³•13)=√7²=7

b) √(5³•7²)/√(11²•5 )=√(5²·7²)/√11²=5·7/11=35/11

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