摘要
应用定积分得到了梯形面积逆向计算问题的计算公式,并将该公式推广在三角形中.
Applied definite integral to gain the backward calculation formula of trapezoidal area, and then generalized the formula in the calculation of triangle area.
出处
《高师理科学刊》
2007年第6期84-86,共3页
Journal of Science of Teachers＇College and University
关键词
定积分
梯形面积
逆向问题
definite integral
trapezoidal area
adverse question
