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已知最简二次根式与可以进行合并,则m的值等于( ) A.3 B.-5 C.3或-...
已知最简二次根式
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与
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可以进行合并,则m的值等于( )
A.3
B.-5
C.3或-5
D.5或-3
考点分析:
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与|b+1|互为相反数,则
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的值为( )
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B.
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+1
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-1
D.1-
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