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a fost răspuns

a)√11*(-√5)
b)√18*(-√1/2)
c)√2*(√3-√2)-√6+3
d) (√27+2√12-5√75)*(√3)la puterea -1

Răspuns :

Acel
a)=-√55
b)=-√9=-3
c)√6-√4-√6+3=-√4+3=-2+3=1
d)√81+2√36-5√225=9+2*6-5*15=9+12-75=21-75=-54

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