The operations only affect its corresponding group (or expression). Operations further to the right &quot; replace &quot; or &quot; combine themselves with &quot; their predecessors.
然后从左向右解释此示例公式。运算只影响与其相对应的组（或表达式）。逐步向右进行的运算将会“替代”先前运算或将其本身与先前运算相结合。