The binary + and - operators have the same precedence, which is lower than the precedence of *, / and %, which is in turn lower than unary + and -.

• 二元运算符+和-具有相同的优先级，它们的优先级比运算符*、/和%25的优先级低，而运算*、/和%25的优先级又比一元运算符+和-的优先级低。