Contact us
Choose a category below so we can get back to you as quickly as possible.
因為雖然甲同學把c值看錯了但a,b值正確,則我們可以由題列一個三元一次方程組: 3a+2b=-1 -a-6b=-1 3c-1=3 解得:a=3/2,b=1/4,c=4/3
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.