{a:b:c=3:4:5 a+b+c=36
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 00:16:23
![{a:b:c=3:4:5 a+b+c=36](/uploads/image/z/3716081-17-1.jpg?t=%7Ba%3Ab%3Ac%3D3%3A4%3A5+a%2Bb%2Bc%3D36)
x)NJJ522UHNlqӅ$?혙olobzd$[X |{֥&jjLa,Yu`bٶ6yvP9fL24JF T@W
{a:b:c=3:4:5 a+b+c=36
{a:b:c=3:4:5 a+b+c=36
{a:b:c=3:4:5 a+b+c=36
a:b:c=3:4:5
则a/3=b/4=c/5
所以b=4a/3
c=5a/3
代入a+b+c=36
a+4a/3+5a/3=36
4a=36
所以
a=9
b=4a/3=12
c=5a/3=15
a是9b12c15