From 100 students of the 1st course: 6 excellent students, 20 athletes, 25 participants it is thin. amateur performance. 3 are excellent students and athletes, 6 athletes and participants it is thin. amateur performance, 2 excellent students and participants it is thin. amateur performance, 1 is an excellent student, the athlete and the participant it is thin. amateur performance. 1) How many students are not either excellent students, or athletes, or participants is thin. amateur performance? 2) How many students are excellent students or athletes (at least one or the other)? If it is possible with the drawing.

280
1-37 students are not either otlichnoka, or athletes, or participants is thin. amateur performance of 2 - 11 students are excellent students, 27 athletes
24
Answer add