Read Edit View history 未知数儿 Origin Definitions Defs Strokes Stroke Words Sentences Sents created reference approved 未知数儿/未知數兒 → 未知数/未知數 (erhua_variant) 2026/03/04 未知数儿 / 未知數兒 wèizhīshùr 未知数 / 未知數 wèizhīshù erhua_variant created reference Mar 4, 2026, 02:25 AM