sat10年5月 section2 第13题
Theaverageofthe3differentpositiveintegersx,yandzis50.Ifx<y<zandy=30,whatistheleastpos...
The average of the 3 different positive integers x,y and z is 50. If x<y<z and y=30, what is the least possible value of z?
Answer: 91
求解答 展开
Answer: 91
求解答 展开
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