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若分式的值为零,则x的值为( )



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...,x=4ʱ,ʽֵΪ0,a+bֵ( )_...
ѡ ѧ ʽֵΪ ֪x=-2ʱ,ʽ,x=4ʱ,ʽֵΪ0,a+bֵ( ) A-6 B-2 C6 D2 ȷ𰸼ؽ ȷ...
ʽֵΪ0,xֵ( )__ٶȸ߿
ʽֵΪ0,xֵ( ) A1 B0 C-1 D1 ȷ𰸼ؽ ȷ A :ɷʽֵΪx2-1=0,2x+20, x2-1=...
֪ʽ,Ҫʹʽֵ,x( )__ٶȸ߿
ѡ ѧ ʽֵΪ ֪ʽ,Ҫʹʽֵ,x( ) A B C D ȷ𰸼ؽ ȷ B :ɵ3x+2...
ʽֵ,x=___;x=3ʱ,ʽֵ__...
ѧ ʽֵΪ ʽֵ,x=___;x=3ʱ,ʽֵ___. ȷ𰸼ؽ ȷ 2 :(1)Ϊʽ...
ʽֵΪʱ,xֵΪ( )__ٶȸ߿
ѡ ѧ ʽֵΪ ʽֵΪʱ,xֵΪ( ) Ax=3 Bx=-3 Cx=3 D϶ ȷ𰸼ؽ ȷ B :...
ʽֵ0,ôxֵΪ( )__ٶȸ߿
ѡ ѧ ʽֵΪ ʽֵ0,ôxֵΪ( ) A-1 B1 C-11 D12 ȷ𰸼ؽ ȷ B :|x|-1=0...
x=-2ʱ,x=4ʱ,ʽֵΪ0,a+b=___.
x=-2ʱ,ʽ,x=4ʱ,ʽֵΪ0,a+b=___. ȷ𰸼ؽ ȷ 2 :ߵx=-2ʱ,ʽ, -2-a=0,a=...
ʽֵ,ôxֵΪ___.__ٶȸ߿
ʽֵ,ôxֵΪ___. ȷ𰸼ؽ ȷ 1 :ʽֵ, x-1=0,2x+10, :x=1. ʴΪ:1....
ʽֵΪ0ʱxֵΪ( )__ٶȸ߿
ѡ ѧ ʽֵΪ ʽֵΪ0ʱxֵΪ( ) Ax=5 Bx=-5 Cx=5 Dx=3 ȷ𰸼ؽ ȷ C ::, ...
ʹʽֵΪxֵ( )__ٶȸ߿
ѡ ѧ ʽֵΪ ʹʽֵΪxֵ( ) Ax=0 Bx=1 Cx=0x=1 Dx=0x=1 ȷ𰸼ؽ ȷ A ...
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