【commun】評論
=9.2-2.3
【Terry Tung】評論
交易方程式Mv=Py , 9.2 + 0 = a + 2.3 = a = 6.99.2 + 1 = b + 2.3 = b = 7.9
交易方程式Mv=Py , 9.2 + 0 = a + 2.3 => a = 6.99.2 + 1 = b + 2.3 => b = 7.9