已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值

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已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值
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已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值
已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值

已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值
a=2 b=6 c=3,(5a-b)/(b+2c)=1/3

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