[tex]( \sqrt{11} ){}^{ - 7} \times (( \sqrt{121} ) {}^{4}) {}^{2} [/tex]
[tex](( \sqrt{ \frac{5}{14} } \times \sqrt{7} ) {}^{4} ) {}^{ - 5} [/tex]
[tex](( \sqrt{2} ) {}^{5} ) {}^{ - 3} \div (\sqrt{2} ) {}^{4} \div (\sqrt{2} ) {}^{ - 9} [/tex]
Vă rog, ajutați ma​