Ushbu taqdimot murakkab sonlarda bo'linish alomatlarini o'rganishga bag'ishlangan. Unda 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 18, 24, 25, 36, 40, 45 kabi sonlarga bo'linish qoidalari tushuntirilgan