並前往https://tw.carousell.com/p/advanced-engineering-mathematics-by-erwin-kreyszig-tenth-edition-%E9%AB%98%E7%AD%89%E5%B7%A5%E7%A8%8B%E6%95%B8%E5%AD%B8%E5%8E%9F%E6%96%87%E6%9B%B8-1041739753/
