About Lesson
14.8 Inequalities Involving Absolute Values 含绝对值的不等式
Solve the inequalities
解下列不等式
(1) 

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(2) 

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(3) 

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(4) 

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(5) 

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(6) 

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(7) 

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(8) 

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(9) 

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(10) 

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(11) 

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(12) 

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