問題詳情
某繞日彗星若每隔27年便出現一次，其與太陽的最短距離為7個天文單位，則與太陽最遠距離應為多少天文單位？
(A)
(B)
(C)
(D)8。
(A)
(B)
(C)
(D)8。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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