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va rog dau coroana !!!!!!

Va Rog Dau Coroana class=

Răspuns :

Rezolvare :
[tex]a) {2}^{16} = (2 {}^{2} ) {}^{8} = 4 {}^{8} . \: \: 8 {}^{4} = (2 {}^{2}) {}^{2} = 4 {}^{2} [/tex]
[tex]b)81 {}^{5} = (9 {}^{2} ) {}^{5} = 9 {}^{10} . \: \: \: 27 {}^{3} = (9 {}^{3} ) {}^{3} = 9 {}^{9} [/tex]
[tex]c)125 {}^{3} = (5 {}^{3} ) ^{3} = 5 {}^{9} . \: \: \: \: \: 25 {}^{6} = (5 {}^{2} ) {}^{6} = 5 {}^{12} [/tex]