A.(0,0,1/2) B.(0,0,1/4) C.(0,0,2/3) D

考试题库2022-08-02  8

问题 A.(0,0,1/2)B.(0,0,1/4)C.(0,0,2/3)D.(0,0,3/4)

选项 A.(0,0,1/2)
B.(0,0,1/4)
C.(0,0,2/3)
D.(0,0,3/4)

答案 C

解析
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