Contact us
Choose a category below so we can get back to you as quickly as possible.
將1.2X—1.4=8.2 移减為加得 1.2X=8.2+1.4 所以 1.2x=9.6 因為積除以一個因數等於另外一個因數 所以 x=9.6÷1.2 所以 x=8
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.