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DISTANCIAS
EDUARDO GONZALEZ
3/7/15
1,620
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Answer
Solution
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
r
2
s
2
r
1
s
1
vα
hα
c
2
c
2
c
1
c
1
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