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ڵλãҳ > 绝对值不等式的解法

ֵʽ̰_ѧ_н_רֵʽĽ̰ⷨѧĿ: ֪ʶĿ: 1.ڿεĽѧĿǸϰᵽļֲʽ|ax+b|c; |ax+b...
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һ ѡ 4-5 ֵʽĽⷨ˵θ : λ쵼ʦǴҺ,ҽӽ̲ķ,ѧ,ѧ̷,ѧ, ѧ˵,...
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ʡνֵ . ʡ 1 ֵʽ|x|<2, ʴ𲢵㲦 ʾĽ 2 ֵʽ|x|>2, ʾĽ...
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ֵʽѧ˼ ֵʽĽⷨ ڿβĿ굼ѧ,ѧʵ ĿΪ,ѧ۲˼,Ż˼ά,...
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ֵIJʽ [ѧϰҪ] (1)Ⲣս⺬ֵʽ˼·ǻȥֵ,תΪֵ ŵIJʽ(򲻵ʽ)⡣ (2)Ūȥ...
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һ+չʾ廷ڡʽƽѧģʽ ѧ ༶: : 1.2.3 ֵʽĽⷨ :ֵʽ ʱ:2 ʹʱ:2012 3 _...
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ֵļ;ռ򵥵ĺֵʽĽⷨ, 2. պֵIJʽĵȼʽ. | x |a ? - ڶ ʽ 2.2.4 ѧĿ꡿ ...
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