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    ڵλãҳ > 不等式组的解法

    һԪһʽ ѧϰĿ: 1. ֪һԪһʽӦһ㲽, һԪһʽϼ Ӧ. 2.ѧ...
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    x ? 50 (,˾ʽĽ ) 䳲Ի 1 1 (ʽ⼯ĸ:ʽеļʽ⼯Ĺ֡ ܽһԪ...
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    ⲻʽʽ 1. вʽϱʾ (1) 3(2 x ? 7) ? 23 (2) 12 ? 4(3x ? 1) ? 2(2 x ? 16) ӡ 4 2.....
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    ⲻʽ()Ľⷨ_ѧ_н_רⲻʽ()ĽⷨһʽĽⷨ 3 ? 2x ? 2. 2 3 ? 2x :ʽʾĺ...
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    : ,ⲻʽٵ:x>1,ⲻʽڵ:x2,ʽĽΪ:1<x2, 7.: ,ɢٵ x>3;ɢڵ x1 ʴʽĽΪ:3<x...
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    ⲻʽ1_ѧ_н_רʽ Ӱⲻʽ򲻵ʽ 1. вʽϱʾ (1) 3(2 x ? 7)...
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    ʽ_ѧ_н_רѧ һԪһʽӦһ㲽: 1,:,Ū֪ʲô,ʲô,Լ֮Ĺϵ...
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    ?g ( x ) 0 g ( x) ȻáᷨΪʽ. ֪ʶ 1.ʽĻ˼· ⲻʽ,ʵͬⲻʽ𲽴...
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    ʽ 3ⲻʽ: : ⲻʽٵ:x>-2 ⲻʽڵ:x<-7 ʽĽΪ޽ ʽ 4ⲻʽ:-1< 5 ˼·㲦:(1)д...
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    ʽ_ѧ_ѧ_н_רտưѧ¸ϰʽ,ѽ⼯ϱʾ. ? x ? 2 < 0 (1) ? ?2( x ? 1)...
    http://3986.net/read/pohdadipigghledblfgagphh.html

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