唔該！幫幫忙解答我以下2個問題唔該!

xylitol25

唔係好明個問題同"答案"
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
7 c  |7 s; e( x/ s4 xAimee Teegarden: "Recent polls have shown a fifth of Americans can't locate the U.S. on a world map. Why do you think this is?"
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, l5 m( d9 |* w, U8 MCaitlin Upton: "I personally believe that U.S. Americans are unable to do so because, uh, some, people out there in our nation don't have maps and, uh, I believe that our, uh, education like such as, uh, South Africa and, uh, the Iraq, everywhere like such as, and, I believe that they should, our education over here in the U.S. should help the U.S., uh, or, uh, should help South Africa and should help the Iraq and the filter-074 countries, so we will be able to build up our future, for our children."3 j8 q+ u- F  S' t
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?: j5 k6 u5 M7 Q9 v  z* f
A:"78"
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! I1 e- Z7 ^2 `% _+ CWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?