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ڵλãҳ > 一元二次不等式解法

һԪη()䷽֪ʶ(_ѧ_н_רһԪη()䷽֪ʶ()ѧϰĿ꡿ 1.˽䷽ĸ,...
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һԪβʽ(̰)һָϰ һ ѧĿ ֪ʶĿ꡿ (1) ѧһԪβʽԴʵ,˽һԪβ ʽйظ...
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һԪηССᵼѧ: 1. һԪη: 1) ֱӿ,2) ䷽,3) ʽ,4) ʽֽⷨ; ,ʽֽⷨ͹ʽ...
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һԪηĸ_һѧ_ѧ_н_רн̰ϰ һͻ 1. һԪηĶ塢, ax 2 + bx + c = 0 ( a ...
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һԪη̵ļϰ_/_/ģ_ʵĵһԪη һԪηרѵ() (x 1. ? 2) ?25 ? 0 (ֱӿƽ) 2...
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һԪηķ ֻһδ֪,δ֪ߴ 2 εʽ̽һԪ η ( quadratic equation of one variable ) һԪ...
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һԪη: (1)ֱӿƽ:һԪηһһδ֪ ƽ, һһ ʱ,Ը ,ͨƽ̵Ľ...
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