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ڵλãҳ > 一元二次不等式的解法

һԪβʽĽⷨ_һѧ_ѧ_н_ר֪ʶ+ϰ֪ʶһ: ֪ʶһ:һԪβʽĶֻһδ֪,δ֪ߴ...
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һԪβʽĽⷨϼ_ѧ_Ȼѧ_רҵϡ2015 ѧѧҵ 1 һһԪβʽĽⷨ һԪβʽĽⷨ...
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һԪβʽĽⷨ(̰)һָϰ һ ѧĿ ֪ʶĿ꡿ (1) ѧһԪβʽԴʵ,˽һԪβ ʽйظ...
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Ԫ һԪβʽĽⷨ_ѧ_н_רԪ һԪβʽĽⷨ һѡ( 10 С,ÿ 4 , 40 ) 1a ? b ...
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һԪβʽ_ѧ_ѧ_н_רһԪβʽ(֪ʶ)αҪ:ʵ龳гһԪβʽģ...
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һԪһβʽ(μ)һѧĿ:1.ʵ龳гһԪβʽģ. 2.ͨͼ˽һԪβʽӦĶκһԪη̵...
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һԪβʽĽⷨԹ滮һٵ Ԫ ֪ʶĿ 1.ȹϵ벻ʽ ٲȹϵʽ()ʵʱ ڲʽ()ڿ̻ȹϵ ...
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1.5 һԪβʽĽⷨѧƷѧĿ (1)һԪβʽĽⷨ; (2)֪һԪβʽתΪһԪһβʽ; (3)˽򵥵ķʽ...
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ѧ ѧڳѾѧϰһԪһβʽ()Ͷκ,ʽ˳ . ڽеһԪβʽ x ? 5 x ? 0 ʱ,...
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ѧص㡿 ʵ龳гһԪβʽģ;һԪβʽĽⷨһԪβʽǸѧ IJʽ֮һ,ǽѧҪ,...
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