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填空:x2+x+( )=(x+ )2
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下面是某同学在一次数学测验中解答的填空题其中答对的是
若x
2
=4,则x=2
的一个根是1,则k=2
若3x
2
=6x,则x=2
若分式
的值为零,则x=2或x=0
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若x
2
=4,则x=2
方程x(2x-1)=2x-1的解为x=1
若分式
的值为零,则x=1或2
若关于x的方程x
2
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