由 維尼 » 2005-10-25 10:27
raygun \$m[1]:x>y?
1)x/y=7/9
2)xy>0
Ans:E
..........可是我覺得是A耶, 請各位大大解惑
x=-7 y=-9 xy>0 x>y
x=7 y=9 xy>0 x<y
MBA Class of 2009, UCLA Anderson School of Management
With this faith, we will be able to work together, to pray together, to struggle together, to go to jail together, to stand up for freedom together, knowing that we will be free one day. -- "I Have a Dream", Martin Luther King, Jr.