杨幂泳装照透视图:299.911+0.99-0.98+0.97-0.96+0.95-0.94……+0.03-0.02+0.01=?

来源:百度文库 编辑:中科新闻网 时间:2024/05/12 01:53:46

299.911+0.99-0.98+0.97-0.96+0.95-0.94……+0.03-0.02+0.01=?

=299.911+0.01×50
=299.911+0.5
=300.411

原式=299.911+0.01×49+0.01
=300.411

300.411

1+1=原式

300.411