[計量] 兩題資料充分性

看板GMAT作者 (胖妞妞胖)時間16年前 (2007/12/31 19:13), 編輯推噓2(2推 0噓 1→)
留言3則, 2人參與, 最新討論串1/1
1. A rectangular lot 120 feet long by 80 feet wide is to be partitioned into 10 rectangular gardens. If each of the gardens will have the same dimensions. How many feet og partitioning will be needed to seperate the gardens? (1) One of the dimensions of each garden is to be 40 feet. (2) One of the dimensions of each garden is to be 24 feet. ___________________________________________________________ 答案 D 我認為只有的一個條件成立而已 第二個為什麼也成立？ ﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍ 2 What is the value of x? (1) x^4+x^2+1=1/x^4+x^2+1 (2) x^3+x^2=0 ____________________________________________________________ 答案 a 可是第二個答案不是可以算出　ｘ=-１ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.129.23.2
推
12/31 20:14, , 1F
2. (2)答案也可以是 0
12/31 20:14, 1F
推
01/01 21:17, , 2F
1. (2) because 120 is a multiple of 24. Consider a
01/01 21:17, 2F
→
01/01 21:18, , 3F
garden of 24x40, you'll get 10 gardens.
01/01 21:18, 3F
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