Răspuns :
log₂4+(1/2)la puterea -1 -∛8 ==> log₂4+(1/2)la puterea -1 -∛2³ ==>log₂4+(1/2)la puterea -1 -2 ==>log₂4+2-2==>log₂4==>log₂2²=2
[tex]\log_{2}{2^{2}}+(2^{-1})^{-1}-{2^{3}}^{\frac{1}{3}}=2\log_{2}{2}+2^{-1*(-1)}-2^{3*\frac{1}{3}}=2+2^{1}-2^{1}=2+2-2=2[/tex]
