(x+2y):(y+2x):(z+2x)=12:17:10,试求a:b:c
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(x+2y):(y+2x):(z+2x)=12:17:10,试求a:b:c
(x+2y):(y+2x):(z+2x)=12:17:10,试求a:b:c
(x+2y):(y+2x):(z+2x)=12:17:10,试求a:b:c
a:b:c=22:7:-14
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