已知实数a b c满足a=6-b c²=ab-9 则a= b= c=
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已知实数a b c满足a=6-b c²=ab-9 则a= b= c=
已知实数a b c满足a=6-b c²=ab-9 则a= b= c=
已知实数a b c满足a=6-b c²=ab-9 则a= b= c=
已知实数a b c满足a=6-b c²=ab-9 则a= b= c=
已知实数a b c满足a=6-b c²=ab-9 则a= b= c=
已知实数a b c满足a=6-b c²=ab-9 则a= b= c=