devider

Q: x/25000

25000 / 1024 = 24.4

approximate_calculation_0

25000 = 1024 * 24 = 1024 * 8 * 3 =. (1024 * 8 * 3 * 3) / 3 =. (1024 * 8 *8 ) / 3 = 21845

approximate_calculation_1

25000 = 1024 * 24 = 1024 * 8 * 3 =. (1024 * 8 * 3 * 5) / 5 =. (1024 * 8 * 16 ) / 5 =  26214

A: 故 x / 25000可近似爲 x / 26214 = x / (1024 * 8 * 16 ) / 5 =  (5 * x) /  (1024 * 8 * 16 ).