такмичењима

In a sentence

• Ученици из наше школе учествовали су на многим такмичењима ове године.

  Students from our school participated in many competitions this year.

  In this sentence, 'такмичењима' is used in its instrumental plural form to indicate the means or medium of participation.

• На тим такмичењима су постигли изванредне резултате.

  In those competitions, they achieved outstanding results.

  Here, 'такмичењима' is in its locative plural form, denoting the context or setting where the actions occurred.

• Радо се сећамо успеха на прошлим такмичењима.

  We fondly remember the successes at the past competitions.

  In this example, 'такмичењима' is also in its locative plural form, referring to the specific time and scope of the past competitions.