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趣味英语1、Three teachers are talking in the classroom.They are a

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趣味英语
1、Three teachers are talking in the classroom.They are a Chinese teacher,a maths teachers and an English teacher.A speaks Chinese in class.The English teacher is a good woman teacher.C is the maths teacher's sister.Who is the maths teacher?
A、A B、B C、C
其实这应该是一道数学推理题吧.我认为可以排除C,但接下来就不知道怎么办了····
2、The students in Class3 are making kites.If all the students take part in (参加)it,each (每个)of thim makes 6 kites.If only the boys do it,each of them makes9 ketes.If only girls do it,how many kites does each girl nees to make?
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趣味英语1、Three teachers are talking in the classroom.They are a
1)A是数学或语文,英语老师是女的,C是女的,且不是数学老师
那么数学老师如果是B,则语文老师就是A了,英语老师是C,这是成立的.
如果数学老师是A,则那么英语老师是C,语文老师是B,这也是成立的.
所以选AB
2)1/6-1/9=1/18
18