单项选择题
A.26.71 B.26.72 C.26.7157 D.26.7
A.23.53387 B.23.53 C.23.5339 D.23.534
A.14.43 B.14.44 C.14.435 D.14.42
A.3.05% B.20.05 C.62120 D.0.0006
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