Contact us
Choose a category below so we can get back to you as quickly as possible.
因為x=3是原方程的根,所以將x=3代入原方程,即32-3k-6=0成立,解得k=1.故選A.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.