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ڵλãҳ > 绝对值不等式的解法

b ļ:,ʾ a b Ӧľ. ֵ(ʽʽ)Ļ ֵĽⷨ ġֵĺ...
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b ܽ뷴˼춨ֵûʽ. 1 ֵʽ 9 a, b, c, d Dz 0 ʵ,֤ | a b c d | ? ...
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ʽĽⷨ ֵʽ 1 ֵʽ|x+3|>|x-5|.{x|x>1}. 2 ʵ x,ʽ|x+1|-|x-2|>k ,ʵ k ȡֵ...
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ѧУһѧڲ̲ :־ ν̲ 3:һԪһη̡ʽ()&ֵʽĽⷨѧ: ֪ʶһ һԪһη̢һʽ:ax+...
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ѧ http://www.shuxuefudao.com һ 1 ʽ x + 1 > 2 x ? 3 ? 2 : :⺬ֵIJʽֵ...
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ֵļ;ռ򵥵ĺֵʽĽⷨ, 2. պֵIJʽĵȼʽ. | x |a ? - ڶ ʽ 2.2.4 ѧĿ꡿ ...
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C : 1.ֵĸ; 1/3 2.˽ֵʽĽⷨ; 3.⺬оֵIJʽ. 뷽Ŀ ϰڷϰԽ ֵ̬...
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