实数a、b、c满足a+b+c=0,abc>0,则1a+1b+1c的值( )
实数a、b、c满足a+b+c=0,abc>0,则1a+1b+1c的值( )
实数a、b、c满足a+b+c=0,且abc=1,则.
实数A,B,C满足A+B+C=0,ABC=1,则1\A+1\B+1\C的值大于\小于\等于0
实数abc满足abc=8,a+b+c=0,a^2+b^2+c^2=32求1/a+1/b+1/c的值
已知实数A,B,C满足A+B+C=0,ABC=8,判断1/A+1/B=1/C的值的正负
若实数abc满足a >b>c,a+b+c=0,则c/a的取值范围
已知实数a、b、c满足a+b+c=0,abc>0,则1/a+1/b+1/c的符号为?
已知实数a、b、c满足1/2|a-b|+根号2b+c+c²-c+1/4=0,求a(b+c)的值
实数a,b,c满足a+b+c=0,abc=2,则c的取值范围?
(1)设实数a、b、c满足|a-2b|+√(3b-c)+(3a-2c)^2=0,则a:b:c=________.
已知实数abc满足a+b+c=10 1/(a+b)+1/(b+c)+1/(a+c)=14/17 求a/(b+c)+b/(
设实数a,b,c满足(a-b)(b-c)(c-a)=1,则多项式(b-a)(2001-c)(2002-c)+(c-b)(