3; 5; 7; 9; ... arifmetik progressiyaning 10-hadini toping. 10 15 21 25 Javobni ko'rsatish 📝 Batafsil tushuntirish Bu yerda birinchi had a₁ = 3, ayirma d = 2. Arifmetik progressiyaning n-hadi formulasi bo'yicha: a₁₀ = a₁ + 9d = 3 + 9 · 2 = 3 + 18 = 21.
