已知a为实数,1.解不等式x²-(a²+2a+1)x+2a³+2a
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已知a为实数,1.解不等式x²-(a²+2a+1)x+2a³+2a
已知a为实数,1.解不等式x²-(a²+2a+1)x+2a³+2a
已知a为实数,1.解不等式x²-(a²+2a+1)x+2a³+2a
1,原不等式化为
x²-(a²+2a+1)x+2a³+2a