Let the surface ∑ be the upper side of

匿名用户 最后更新于 2021-09-13 02:21 数学类Mathematics

db21530aa0298cdbc9519246d6b08673.png

Let the surface be the upper side of:z=√4-x2-y2 To calculate xydydz +xdzdx+xdxdy.


已邀请: