如果根号a²/a=-1,那么根号(a-2)²-|1-a|=?
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如果根号a²/a=-1,那么根号(a-2)²-|1-a|=?
如果根号a²/a=-1,那么根号(a-2)²-|1-a|=?
如果根号a²/a=-1,那么根号(a-2)²-|1-a|=?
解:∵√a²/a=-1
∴a<0
∴√(a-2)²-|1-a|
=|a-2|-|1-a|
=-(a-2)-(1-a)
=-a+2-1+a
=1
根号a²/a=-1
∴a<0
根号(a-2)²-|1-a|
=│a-2│-│1-a│
=2-a-(1-a)
=2-a-1+a
=1