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Rezolvatimil va rog frumos

Rezolvatimil Va Rog Frumos class=

Răspuns :

5•{55•5-[(55•5:55:5)-55+5]}
5•{275-[(275-11)-55+5]}
5•[275-(264-55+5)]
5•[275-(209+5)]
5•(275-214)
5•51
255