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示在数轴上(如图)，要满足A B，表示数a的点必须在4或4的右边，所求a的取值集合为{a|a≥4}.?9?6p?q?0?p??3?17.解：⑴若B=??3?则B...

tch bored a lot of fans to death．发布时间：2017-03-19 a. being concerned b. be conc...