求助一道GRE数学题
Inagroupof100students,morestudentsareonthefencingteamthanaremembersoftheFrenchclub.If...
In a group of 100 students, more students are on the fencing team than are members of the French club. If 70 people are in the club and 20 are neither on the team or the club, what is the minimum number of students who could, be both on the team and in the club?
这个题我实在是想不通,网上的答案也看不懂,求详细点的回答。。。。谢谢 展开
这个题我实在是想不通,网上的答案也看不懂,求详细点的回答。。。。谢谢 展开
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