若a:b:c=6:10:15,则b:a=__,b:c=__,c:a=__.

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若a:b:c=6:10:15,则b:a=__,b:c=__,c:a=__.若a:b:c=6:10:15,则b:a=__,b:c=__,c:a=__.若a:b:c=6:10:15,则b:a=__,b:c

若a:b:c=6:10:15,则b:a=__,b:c=__,c:a=__.
若a:b:c=6:10:15,则b:a=__,b:c=__,c:a=__.

若a:b:c=6:10:15,则b:a=__,b:c=__,c:a=__.
b:a=10:6=5:3 b:c=10:15=2:3 c:a=15:6=5:2