若a,b是非零自然数,且满足┃a-2┃+(b+3)^2=0,则b^a=__

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若a,b是非零自然数,且满足┃a-2┃+(b+3)^2=0,则b^a=__
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若a,b是非零自然数,且满足┃a-2┃+(b+3)^2=0,则b^a=__
若a,b是非零自然数,且满足┃a-2┃+(b+3)^2=0,则b^a=__

若a,b是非零自然数,且满足┃a-2┃+(b+3)^2=0,则b^a=__
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