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ڵλãҳ > 不等式组的解法

1 ? x 2, 15.ʽ ? н, m ȡֵΧ___. ?x ? m 16.ε߳ȷֱΪ 3a , 4 a , 14 , a ȡֵΧ__...
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4. (2012 ɽ̨ 3 )ʽ D. 𰸡:ɢٵ,x>1;ɢڵ,x4, Ľ⼯ϱʾȷǡ ʽĽΪ:1<x...
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1. (2011 ʡϾ) ⲻʽ ? x ? 1 x дʽ. ? , ? 2 ? 3 ::ⲻʽ, x ?1 .ⲻ...
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һԪһʽĽⷨרѵ_ѧ_н_רһԪһʽĽⷨרѵ⾫ѡ: 1:ʽ :ⲻʽ? x2 ...
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һԪһβʽ顷̰ ѧĿ 1.һԪһβʽĽ⼯ĸ. 2.һԪһʽĽⷨ,ȷһԪһʽĽ. 3....
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ʽʱҪע: (1)ȥĸʱҪ©ûзĸ; (2)ȥʱҪ©; (3)Ҫ; (4)ϵΪ 1 ʱͬԵǸ,Ҫı䲻...
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ʽʽ֪ʶ һ֪ʶ 1.÷š<>ܡݡʾСϵʽӽʽ 2.ʽĽ:ʹʽδֵ֪,...
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һԪһʽ̰2_һѧ_ѧ_н_רһԪһʽ̰ 2 ѧĿ 1˽һԪһʽ⼯ĸ....
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ⲻʽ1_ѧ_н_רʽ Ӱⲻʽ򲻵ʽ 1. вʽϱʾ (1) 3(2 x ? 7)...
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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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