[討論] Q的問題

看板GRE (GRE入學考試)作者 (阿先生)時間17年前 (2007/07/24 20:27), 編輯推噓0(005)
留言5則, 2人參與, 最新討論串1/3 (看更多)
拜託了 有三題 謝謝 - 1. d=5.03894 and D is the decimal expection for d rounded to nearest thousanth. column A column B The number of decimal 4 places where d and D differ. 2. Team X scored p points more than term Y and the two teams together scored a total of 10 points column A column B Twice the number of 10-p points term Y scored. 3. 圖http://download.yousendit.com/8F9140766AA68FCC The areas of the two shaded regions of the circle are equal. column A column B The area of unshaded region The area of unshaded region A of the circle. B of the circle. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.224.84.193

07/24 21:29, , 1F
1.把d四捨五入到千分位,和d比變了幾位
07/24 21:29, 1F

07/24 21:33, , 2F
因2Y+P=10,故Y=(10-P)/2,故左=10-P=右
07/24 21:33, 2F

07/24 21:35, , 3F
3.交叉點是圓心AB才會相等,試著把交叉
07/24 21:35, 3F

07/24 21:36, , 4F
點往左or右移動一下AB很明顯不會相等
07/24 21:36, 4F

07/26 12:34, , 5F
X-Y=p ; X+Y=10 ; 10-p=X+Y-(X-Y)=2Y
07/26 12:34, 5F
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