並前往https://open.umn.edu/opentextbooks/textbooks?commit=Go&locale=es&pe=60&term=%E8%8F%B2%E5%BE%8B%E5%AE%BE%E5%8D%8E%E4%BA%BA%E8%AE%BA%E5%9D%9B-%E3%80%90%E7%BD%91qy868%E7%82%B9xyz%E3%80%91-%E8%8F%B2%E5%BE%8B%E5%AE%BE%E5%9B%BD%E5%AE%B6%E7%9A%84%E5%BD%A9%E7%A5%A8kijhkijh-%E3%80%90%E7%BD%91qy868%E3%80%82xyz%E3%80%91-%E8%8F%B2%E5%BE%8B%E5%AE%BE%E7%9A%87%E5%86%A093936kq89pxm.kijh