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Calculeaza:
-10 supra 7: 25 supra 21


Răspuns :

-10/7:25/21=-10/7*21/25=-210/175=-42/35=-6/5

-10⁽⁵/7 x 21⁽⁷/25 =

= -2/1 x 3/5

= -6/5