OpenStudy (anonymous):

| a n b | = 30 | a n c | = 31 | b n c | = 24 | b u c | = 84 | a u b | = 85 | a u b u c | = 100 find | a n b n c |

2 years ago
OpenStudy (anonymous):

@phi @mathstudent55 @dan815

2 years ago
OpenStudy (anonymous):

halp :x

2 years ago