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Problem #3 · July 30, 2026

Natural sonlar

Beshta ketma-ket natural sonning yigʻindisi 245245 ga teng. Shu sonlarning eng kattasini toping.
  1. A4747
  2. B4949
  3. C5050
  4. D5151
  5. E5353

Solution

Beshta ketma-ket sonning yigʻindisi oʻrtadagi sonning 55 baravariga teng, demak oʻrtadagi son 245:5=49245 : 5 = 49. Sonlar: 47,48,49,50,5147, 48, 49, 50, 51, eng kattasi 49+2=5149 + 2 = 51. Tekshiruv: 47+48+49+50+51=24547 + 48 + 49 + 50 + 51 = 245.
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