已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值
问题描述:
已知a,b,c满足2/a=3/b-c=5/c+a,求(5a-b)/(b+2c)的值
答
a=2 b=6 c=3,(5a-b)/(b+2c)=1/3
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