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(-9)la puterea 7 x 3 la puterea 10 : (-3) la puetrea 17 =

 



Răspuns :

-9^7x3^10:(-3)^17=
-3^2*7x3^10:(-3)^17=
-3^14x3^10:(-3)^17=
-3^24:(-3)^17=
3^7
^ - puterea