【计】 加法原理

讨论加法原理与乘法原理的区别——关键在于“类”与“步”的区别。

掌握加法原理，能用加法原理与乘法原理解决实际问题。

addition

addition

keep additional accounts in addition to the authorized ones

addition to standard

addition of organic peroxides to flour, dough

addition of oxygen-generating inorganic compounds to flour, dough

net addition to labour force【劳经】

addition of actions