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"; F/ v! t8 c2 L4 e6 B( L9 j8 O
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
, e& f# s6 y0 u" ^( k! J3 RAimee 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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. v4 {- V- \- l% l( uCaitlin 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."' x4 N2 a# B+ R: d: V

1 z, U/ H% V" X- A+ R1 S2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?5 A  \5 R! T2 b2 B8 G
A:"78"
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& j* Q1 {3 ?/ R- M* X4 FWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?