设abc=1,化简a/(ab+a+1)+b/(bc+b+1)+c/(ca+c+1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 13:53:01
![设abc=1,化简a/(ab+a+1)+b/(bc+b+1)+c/(ca+c+1)](/uploads/image/z/316644-60-4.jpg?t=%E8%AE%BEabc%3D1%2C%E5%8C%96%E7%AE%80a%2F%28ab%2Ba%2B1%29%2Bb%2F%28bc%2Bb%2B1%29%2Bc%2F%28ca%2Bc%2B1%29)
x){n_bRӞi5$k$&i'jjj'k$%k'ɉ@MR>zlȳ(E0U@Q%&%jP@YmCm,
x E0T7ROv>|^^bޗׁ.kz6uOVX/۟ڬb" |ܧk=ٹ.U/.H̳ M
设abc=1,化简a/(ab+a+1)+b/(bc+b+1)+c/(ca+c+1)
设abc=1,化简a/(ab+a+1)+b/(bc+b+1)+c/(ca+c+1)
设abc=1,化简a/(ab+a+1)+b/(bc+b+1)+c/(ca+c+1)
a/(ab+a+1)+b/(bc+b+1)+c/(ca+c+1)
=a/(ab+a+abc)+b/(bc+b+1)+bc/(cba+bc+b)
=1/(b+1+bc)+b/(bc+b+1)+bc/(1+bc+b)
=(1+b+bc)/(1+b+bc)
=1
不明白,可以追问
如有帮助,记得采纳,谢谢
祝学习进步!