计算试题可以使用更多简单的算术运算子，下面所列的函数允许在1.5版及之后的版本使用。
Calculated questions can use more than simple arithmetic operators. The following functions are allowed in versions 1.5 and newer.
如果一个运算式中使用多个算术运算子，查询和检视表设计工具会依照以下的运算子优先顺序处理运算式。
If you use more than one mathematical operator in an expression, the Query and View Designer processes the expression according to the following operator precedence.
算术和串连运算子优先顺序如下节所述，其优先顺序都高于比较运算子、逻辑运算子和位元运算子。
The arithmetic and concatenation operators have the order of precedence described in the following section, and all have greater precedence than the comparison, logical, and bitwise operators.
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