问题标题:
新GRE数学ForwhichofthefollowingsetsofnumbersistheproductofthethreenumberslessForwhichofthefollowingsetsofnumbersistheproductofthethreenumberslessthaneachmemberoftheset?Ⅰ1/4,2/3,3/4Ⅱ-1/2,-1,4Ⅲ-2,3,5A
问题描述:
新GRE数学Forwhichofthefollowingsetsofnumbersistheproductofthethreenumbersless
Forwhichofthefollowingsetsofnumbersistheproductofthethreenumberslessthaneachmemberoftheset?
Ⅰ1/4,2/3,3/4Ⅱ-1/2,-1,4Ⅲ-2,3,5
AⅠonlyBⅡonlyCⅢonlyDⅠandⅢEⅡandⅢ
荐军回答:
下面哪组数字中三个数字的乘积比其中的任一个数字都小?
I:三数乘积为1/8,比1/4,2/3,3/4中的任意一个都小
II:三数乘积为2,比-1/2和-1都大
III:三数乘积为-30,比-2,3,5都小
所以符合题干要求的有I和III,选择D选项.
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