📜  加到减 - 无论代码示例

📅  最后修改于: 2022-03-11 14:57:09.689000             🧑  作者: Mango

代码示例1
plus into plus is equal to plus
+ * + = +

minus into minus is equal to plus
- * - = +

plus into minus is equal to minus
+ * - = -