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-2la a 3 : 1pe4=
(3pe5)totul la a 2 :25pe9
(-1pe3)totul la a 3 x8
-9:-1pe27


Răspuns :

[tex](-2)^{3} *4=-8*4=-32[/tex]
[tex] ( \frac{3}{5}) ^{2} * \frac{9}{25} = \frac{9}{25} *\frac{9}{25}= \frac{81}{625} [/tex]
[tex]( \frac{-1}{3}) ^{3} *8= \frac{-3}{27} *8= \frac{-24}{27} [/tex]
[tex]-9: \frac{1}{7} =-9*7=-63[/tex]