حل السؤال 15، 4MA1/2F يونيو 2024: مخططات فن

1. 1A = {11, 14, 16, 19} and B = {12, 14, 15, 16, 18, 20}
2. 214 and 16 are in both sets, so they go in the overlap
3. 3Taking those out of A leaves 11 and 19 in A only
4. 4Taking those out of B leaves 12, 15, 18 and 20 in B only
5. 5The numbers left over from 11 to 20 are 13 and 17, which go outside both circles

AnswerA only: 11, 19 A∩B: 14, 16 B only: 12, 15, 18, 20 outside both: 13, 17