Contact us
Choose a category below so we can get back to you as quickly as possible.
這一題,就是套公式,如題,a=-3,b=1 所以(-3)*1=-3*1/2*(-3)+3*1=3.5 還有2a+3b有括弧嗎? 如果有,就是下麵的答案 (-3)*1=-3*1/【2*(-3)+3*1】=1 (下麵一個人的答案顯然是錯的!)
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.