the students in the primary school is about three thousand, of them are girls. A.A number of; two third B. The number of; two thirds C.A number of; two thirds D. The number of; two third 【查看更多】
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10、The bigest number in the set{3.2,2.3,3,2.23}is ( )
Suppose that in Fig.2,the length of side of square ABCD is 1,E and F are mid-points of CD and AD respectively,GE and CF intersect at a point P.Then the length of line segment CP is