224,336,448,(),6612
A.496
B.5510
C.5105
D.61126
4,7,22,58,160,() A.320 B.336
2 5 13 35 97 () A、214 B、275 C、312 D、336
6,24,120,336,() A.552 B.1008 C.1320D.1331
2,8,62,622,()。 A.226 B.1292 C.7772 D.496
63,124,215,336,()。 A.429 B.431 C.487 D.547
该项目的净现值为()万元。A.188.81B.496.74C.858.10D.1097.90