求问一道GMAT数学题!貌似挺简单= =就是卡在这了If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?A. 10B. 24C. 34D. 36E. 40
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![求问一道GMAT数学题!貌似挺简单= =就是卡在这了If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?A. 10B. 24C. 34D. 36E. 40](/uploads/image/z/11454840-0-0.jpg?t=%E6%B1%82%E9%97%AE%E4%B8%80%E9%81%93GMAT%E6%95%B0%E5%AD%A6%E9%A2%98%21%E8%B2%8C%E4%BC%BC%E6%8C%BA%E7%AE%80%E5%8D%95%3D+%3D%E5%B0%B1%E6%98%AF%E5%8D%A1%E5%9C%A8%E8%BF%99%E4%BA%86If+2%2C+x%2C+y%2C+and+z+are+different+positive+integers+whose+average+%28arithmetic+mean%29+is+10%2C+what+is+the+greatest+possible+value+of+z+%3FA.+10B.+24C.+34D.+36E.+40)
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求问一道GMAT数学题!貌似挺简单= =就是卡在这了If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?A. 10B. 24C. 34D. 36E. 40
求问一道GMAT数学题!貌似挺简单= =就是卡在这了
If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?
A. 10
B. 24
C. 34
D. 36
E. 40
求问一道GMAT数学题!貌似挺简单= =就是卡在这了If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?A. 10B. 24C. 34D. 36E. 40
应该选C
x y z 2 是不同的正整数 ,要求z的最大值,所以x y应该最小,即x,y一个为1,一个为3
所以z=40-1-2-3=34
挺简单的 估计你是你时没想到
求问一道GMAT数学题!貌似挺简单= =就是卡在这了If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?A. 10B. 24C. 34D. 36E. 40
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