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9 la puterea 41 minus 3 la puterea 80 totul supra 27 la putetea 27
Simplificarea fractiilor


Răspuns :

[tex] \frac{9 ^{41} -3 ^{80} }{27 ^{27} } = \frac{(3 ^{2} ) ^{41} -3 ^{80} }{(3 ^{3}) ^{27} } = \frac{3 ^{81}-3 ^{80} }{3 ^{81} } = \frac{3^{80}(3-1) }{3 ^{81} } = \frac{2}{3} [/tex]