Agar \(d = -4\), \(a_{ 51 } = -203\) berilgan bo‘lsa, \(a_1\) ning qiymatini kiriting.
123. Arifmetik progressiya ustida amallar
Yechimni jo'natish uchun tizimga kirish lozim.
Tizimga kirish
Ushbu sahifaga havola:
https://itboom.uz/m123/
