Contact us
Choose a category below so we can get back to you as quickly as possible.
由有理數a,b,c在數軸上位置可知,b<0,a>0,c>0,∵|a|=2,|b|=2,|c|=3,∴a=2,b=-2,c=3,a+b+c=2-2+3=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.