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
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＝＿
a=3,b=3,c=0.
将a＝6－b代入c2＝ab－9,得到c2=6b-b2-9=-（3-b）2,得到c=0,ab=9,a+b=6,解得a=3,b=3.OVER.
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已知实数a,b,c满足a＝6－b,c²＝ab－9,则a＝＿,b＝＿,c＝＿
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