Read Edit View history 算术级数 suànshùjíshù arithmetic series Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 算术级数/算術級數 · suànshùjíshù · arithmetic series 2026/03/04 算术级数 / 算術級數 suànshùjíshù arithmetic series arithmetic series (such as 2+4+6+8+...) 老师在课上讲解了如何计算算术级数的和。 created sense Mar 4, 2026, 02:25 AM