摘要: $$ \def\or{\operatorname{or}} \def\and{\operatorname{and}} \def\xor{\operatorname{xor}} \def\not{\operatorname{not}} \begin{aligned} &(x\or y)\and z=( 阅读全文
posted @ 2023-01-13 20:46 bykem 阅读(20) 评论(0) 推荐(0)