若a/b+c=b/c+a=a+c/a+b+2c,求a:b:c的值.两天之内要!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 01:58:40
![若a/b+c=b/c+a=a+c/a+b+2c,求a:b:c的值.两天之内要!](/uploads/image/z/5437221-69-1.jpg?t=%E8%8B%A5a%2Fb%2Bc%3Db%2Fc%2Ba%3Da%2Bc%2Fa%2Bb%2B2c%2C%E6%B1%82a%3Ab%3Ac%E7%9A%84%E5%80%BC.%E4%B8%A4%E5%A4%A9%E4%B9%8B%E5%86%85%E8%A6%81%21)
若a/b+c=b/c+a=a+c/a+b+2c,求a:b:c的值.两天之内要!
若a/b+c=b/c+a=a+c/a+b+2c,求a:b:c的值.
两天之内要!
若a/b+c=b/c+a=a+c/a+b+2c,求a:b:c的值.两天之内要!
(a+c)/(a+b+2c)=a/(b+c)=b/(a+c)=(a+b)/[(b+c)+(a+c)]=(a+b)/(a+b+2c);得出b=c,代入比例式中:a/(b+b)=b/(a+b),解得a=b或a=-2b;所以a:b:c=1:1:1或=-2:1:1