Quyidagi 87, 85, 83, 81, 79, ...
sonli ketma-ketlikning formulasini kiriting:
Masalan: n + 5 yoki -n - 4 yoki -3n + 5 kabi.
Quyidagi 87, 85, 83, 81, 79, ...
sonli ketma-ketlikning formulasini kiriting:
Masalan: n + 5 yoki -n - 4 yoki -3n + 5 kabi.