Set Theorymedium
0:00.0
In a music school of students, play the piano, play the violin, and play the flute. It is known that no student plays both the piano and the flute. If students play both the piano and the violin, and play both the violin and the flute, how many students play none of these three instruments?
In a music school of students, play the piano, play the violin, and play the flute. It is known that no student plays both the piano and the flute. If students play both the piano and the violin, and play both the violin and the flute, how many students play none of these three instruments?