题干
按从大到小的顺序排列．
15 5 1 0 12 17 20 4 16 3 18
____＞____＞____＞____＞____＞____＞____＞____＞____＞____＞____
答案(点此获取答案解析）
20,18,17,16,15,12,5,4,3,1,0
