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ڵλãҳ > 不等式组的解法

нʽ_ѧ_н_רпѧHttp://www.fhedu.cn 1. (2008 )ʽ ? ?3x ? 1 ? 2, ĽϱʾΪ ?...
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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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һԪһʽĽⷨרѵ_ѧ_н_רһԪһʽĽⷨרѵ⾫ѡ: 1:ʽ :ⲻʽ? x2 ...
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1 / 13 ץͷ м䡱 ,ɽ⡰˫ʽʽĽⷨ (1)ʽ()ıʾǶʽ()ͬΡȼ۱任 (2)...
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ʽʽ֪ʶ һ֪ʶ 1.÷š<>ܡݡʾСϵʽӽʽ 2.ʽĽ:ʹʽδֵ֪,...
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?g( x ) ? 0 g ( x) ȻáᷨΪʽ. ֪ʶ 1.ʽĻ˼· ⲻʽ,ʵͬⲻʽ𲽴...
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x ʽ(x+15)/2>x-3, (2x+2)/3<x+a ֻ 4 , a ȡֵΧ??? ? x ? 15 ? x?3 ? ? 2 ? ? 2x ? 2 ? x ?...
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ⲻʽ1_ѧ_н_רʽ Ӱⲻʽ򲻵ʽ 1. вʽϱʾ (1) 3(2 x ? 7)...
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һԪʽ̰_ѧ_н_רһԪʽ...? . 5.ƿα 80 ҳϰ 3.2[A] 1 ĵ 666...
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ο: 1 : ,ɢٵ 2x2, x1;ɢڵ x<3;ʽĽΪ:1x<3. 2.: ,ɢٵ:x5,ɢڵ:x>2,ʽĽΪ...
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