3,3,5,10,7,21,9,36()
A.10,50
B.11,45
C.11,55
D.11,40
请帮忙给出正确答案和分析,谢谢!
1,3/4,9/5,7/16,25/9,()15/38 B.11/36 C.14/27 D.18/29
0,3,9,21,(),93A.40 B.45 C.36 D.38
0, 3, 9, 21, (), 93 A.40 B.45 C.36 D.38
我国国内有效发明专利占有效专利的比重为: A.10.7% B.II.I% C.11.5% D.11.9%
1/4 3/10 () 2/5 A.23/50 B.17/40 C.11/30 D.7/20
O,3,9,21,(),93 A.40 B.45C.36 D.38