I guess pretty soon they will be teaching some black math...

来源: borisg 于 2023-11-22 17:59:09 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Math Photos, Download The BEST Free Math Stock Photos & HD Images

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.