24 2724 .

246

24 .

Understanding the Context

S24S23 .

24 4 1~13 4 1~13 C 13 + 4 1 4 = 16! 4! 12! = 1820 .

80P 27 2K 17% .

240HZ240HZ10002000TNIPS.

Key Insights

2423.824 ... 24

2424242424