👤

50+2√5•[65√2-5•(13√2-3√5)]=?

Răspuns :

50+2√5×(65√2-5×(13√2-3√5)=50+2√5×(65√2-5×10√2)=50+2√5×(65√2-50√2)=50+2√5×10√2=50+20√10=70√10