若ab:bc:ac=10:12:15,则a:b:c=?
问题描述:
若ab:bc:ac=10:12:15,则a:b:c=?
答
ab:bc:ac=10:12:15
另ab=10x bc=12x ac=15
则ab:bc=10:12 a:c=5:6
同理可得bc:ac=12:15 b:a=4:5
则连比可得a:b:c=5:4:6