来自贾棋的问题
Giventhe100studentsintheSpringdaleHighSchoolseniorclass,38studentsaretakingmath,45studentsaretakingpsychology,and12studentsaretakingbothclasses.Howmanystudentsintheseniorclassaretakingexactlyoneofthetwoclasses?
Giventhe100studentsintheSpringdaleHighSchoolseniorclass,38studentsaretakingmath,45studentsaretakingpsychology,and12studentsaretakingbothclasses.Howmanystudentsintheseniorclassaretakingexactlyoneofthetwoclasses?
1回答
2019-11-12 03:00