Contact us
Choose a category below so we can get back to you as quickly as possible.
由題意可設此數為x, ∴|x|+1 x=0,(x≠0) ∴解得x=-1, ∴這個數是-1, 故答案為-1.
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.