addition polymer

The Explanation of"加"in"弗敢加也";

对“弗敢加也”中“加”字的考释

This article discussed the probability test of plus、minus、time and divided in the college entrance examination,and refers for the colleague in the teaching.

文章从运算角度谈高考试题中概率的加、减、乘、除及其混合运算,供同行在教学中参考。