(nk+0.08+0.15)(mk+0.08+0.15)-(nk+0.08-0.15)(mk+0.08-0.15)

分类: 作业答案 • 2022-03-10 11:21:08

问题描述：

(nk+0.08+0.15)*(mk+0.08+0.15)-(nk+0.08-0.15)*(mk+0.08-0.15)
k为固定值
简化公式

答

原式=mnk²+0.23nk+0.23mk+0.0529-mnk²+0.07nk+0.07mk-0.0049
=0.3nk+0.3mk+0.048

(nk+0.08+0.15)*(mk+0.08+0.15)-(nk+0.08-0.15)*(mk+0.08-0.15)