V2 sam's 6 friends watched this many movies: 9,11,17,12,14,10 so there are total of 8 people sam's sister watched 7 less than sam range is 10 what is the possible number of movies watched by sam's sister ( i think her name is lucy) I choose A, I think is 7. 17-10 = 7 V3一个人的6个朋友,一年中看电影的次数分别为:9,11,17,12,14,10,他的妹妹LUCY看电影的次数比他的哥哥SAM的次数少7次,在这些人中,RANGE为10,问SAM一共看了几次电影?真的是这个题啊。。。真的没记错。。。我看了3遍都这个意思,就选了17.觉得考点就是那个range10=17-7吧