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  Giventhe100studentsintheSpringdaleHighSchoolseniorclass,38studentsaretakingmath,45studentsaretakingpsychology,and12studentsaretakingbothclasses.Howmanystudentsintheseniorclassaretakingexactlyoneofthetwoclasses?

  Giventhe100studentsintheSpringdaleHighSchoolseniorclass,38studentsaretakingmath,45studentsaretakingpsychology,and12studentsaretakingbothclasses.Howmanystudentsintheseniorclassaretakingexactlyoneofthetwoclasses?

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2019-11-12 03:00
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侯文学

  38-12+45-12=59

2019-11-12 03:05:25

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