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若x,y为实数,且|x+1|+=0,则()2011的值是A.0B.1C.-1D.-2011
试题详情
若x,y为实数,且|x+1|+
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAASCAYAAABM8m7ZAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAD4SURBVEhL7ZVBDoQgDEV7LhYcx31vwpoLzA3Y
chAXHKUDFRRjkTAjsxoSEyXK6+9vK5CwAICmXy2wtP/kHvzBKQPJ30dXsKRBkw3HqfNT7TEX6q/B
LNITjir2mFtLW9ozlVTUz11fPgDzmYJH3lp6laCkvkdfhfMp+JIqT7aulGmKGQxURISottbT5Yoe
uyVX3bJ/f22nQFZncEw7DqltFJdzjoFGASmz8n0LrKNSHCqqouXOY1a+qZYGyFbdOJjiUpjHT6fY
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aQAAAABJRU5ErkJggg==
)
=0,则(
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jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADYSURBVDhP1VTtEcUgCGMydmIdlnEURqHgt631
6b9X73q2d5GGkAh6sOAAq98EB1IAUEBWid0GpeG7SZAbFGVEZXEgGXy+qhrCaH94B/rxJp2wYqXy
o3KwyghO5X1MsbJTICMaCOJuL2m/LRMCFEu5oswMOXDeMMm/eCOOeuMZh/KhBjeoVsjZUNw8Y1KS
kVpy7klxL9/sGbjE7BErj1Pv5aA8MXbmnEJanClWdZbDLrAZbJToJS4DGK0iLXJYpUuqbKZ71v0j
g2L3EGNrbjVRm8c6/v3ho3FfkfeGjaaey1MAAAAASUVORK5CYII=
)
)
2011的值是( )
A.0
B.1
C.-1
D.-2011
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(2011•怀化二模)如果关于x的方程kx2-2x-1=0有两个实数根,那么k的取值范围是( )
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下列四个数中最小的数是( )
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