17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=____17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=_____.

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17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=____17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=_____.
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17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=____17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=_____.
17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=____
17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=_____.

17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=____17.设A={1,a\1,ab},B={0,1,a}.若A=B,则a=_____,b=_____.

a等于正负1
b=0

a=2,b=1

a=-1,b=0

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