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ڵλãҳ > 不等式组的解法

ⲻʽ1_ѧ_н_רʽ Ӱⲻʽ򲻵ʽ 1. вʽϱʾ (1) 3(2 x ? 7)...
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1 ? x 2, 15.ʽ ? н, m ȡֵΧ___. ?x ? m 16.ε߳ȷֱΪ 3a , 4 a , 14 , a ȡֵΧ__...
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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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һԪһʽĽⷨרѵ_ѧ_н_רһԪһʽĽⷨרѵ⾫ѡ: 1:ʽ :ⲻʽ? x2 ...
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6} . ˵:ⷨһҪעȼʽĽÿʽĽ,Ľ ,.ⷨ, šǹؼ.ÿʽ ...
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? ȻáᷨΪʽ Ϊʽ. ֪ʶ 1.ʽĻ˼· ⲻʽ,ʵͬⲻʽ𲽴ԭ...
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һԪʽⷨһԪʽⷨһԪβʽĽⷨ һ,ѧϰĿ ѧϰĿ 1.һԪβʽĽⷨ,һԪβʽĽ...
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() һԪһβʽⷨӦ 1˽һԪһβʽ鼰⼯ĸ ѧĿ 2ʽĽ 3ѧʵ,...
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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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ʽ 3ⲻʽ: : ⲻʽٵ:x>-2 ⲻʽڵ:x<-7 ʽĽΪ޽ ʽ 4ⲻʽ:-1< 5 ˼·㲦:(1)д...
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