a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,

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a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,两个比

a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,
a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,

a:b等于3:8,b:c等于1又5分之1:0.5,求a:b:c,
两个比