A.200 B.214 C.220 D.229
A.435.9 B.450.9 C.467.47 D.475.94
A.327.69 B.339.29 C.346.78 D.350.1
A.h1=500；a1=150；t=150 B.h1=500；a1=150；t=200 C.h1=600；a1=200；t=150 D.h1=600；a1=200；t=200
A.251.7 B.259.6 C.267 D.276.3
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