1.The sides of a triangle have lengths 3 ,6 and n ,where n is an interger .Find all possible values of n.
2.Given a group of numbers:1,x,2,3,5,y,2,1.If the mean of these numbers is 3 and their madian 2.4 , and x<y ,find the values of x and y.
收錄日期: 2021-04-13 17:27:04
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