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simplificati scrierea
rad32-rad50+rad8-rad98+rad242=
va rog


Răspuns :

32=2⁵ =>√32=4√2
50=2·5² =>√50=5√2
8=2³ =>√8=2√2
98=2·7² =>√98=7√2
242=2·11² =>√242=11√2

4√2-5√2+2√2-7√2+11√2=√2(4-5+2-7+11)=5√2