A.4250 B.4450 C.4350 D.4300
A.80 B.90 C.100 D.110
A.5 B.3 C.10 D.8
A.5 B.4 C.3 D.6
A.(3.00±0.05)B.(2.00±0.05)C.(1.00±0.05)D.(0.50±0.05)