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una din cele trei :a, d, c,

Una Din Cele Trei A D C class=

Răspuns :

a) (23^51+23^50+23^52):(23^51+23^49+23^50)+49:7^2+10
23^50(23^1+1+23^2):23^50(23^1+1+23^2)+1+10=23^50k:23^49k+11=23k+11=23×23^1+23^0+23^2+11=23^4+11