A.N1=N2 B.N1〈N2 C.N1〉N2 D.N1=2N2
A.0.086d-1 B.0.179d-1 C.1.44×10-6d-1 D.9.97×10-7d-1
A.0.231m-1 B.231m-1 C.2.31m-1 D.23.1m-1