含绝对值的不等式VIP免费

含绝对值的不等式时当时当时当0,0,00,aaaaaa在实数集R中baab0bbaba如果a是一个正数,那么aa0axaaxaxax22或axa-a0axax即当a>0时,axaaxaxax或ax当时,0aax的解集为空集口答:(1)(2)(3)(4)(5)(6)13432432xxxxxx-2