第1题:
求曲面z =2x2 +y2和z =6-x2-2y2所围立体的体积.
第2题:
第3题:
已知曲线C为y= 2x2,直线l为y= 4x.(10分)
(1)求由曲线C与直线l所围成的平面图形的面积S;
(2)求过曲线C且平行于直线l的切线方程.
第4题:
第5题:
第6题:
In the following statements about graph operations,which one is NOT correct?
A.Finding critical path is an operation on directed graph
B.Finding critical path is an operation on undirected graph
C.Spanning tree of a graph may not be unique
D.Minimum spanning tree of a graph may not be unique
第7题:
第8题:
A.1
B.5
C.6
D.10
第9题:
第10题: