A.(a)与(d) B.(b)与(c) C.(a)与(d)及(c)与(b) D.(a)与(b)及(c)与(d)

A.(a)与(d) B.(b)与(c) C.(a)与(d)及(c)与(b) D.(a)与(b)及(c)与(d)

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A.(-1,1,2) B.(-1,1,-2) C.(1,1,-2) D.(1,1,2)

A.(-1,1,2) B.(-1,1,-2) C.(1,1,-2) D.(1,1,2)

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A.356.123 B.356.126 C.353.126 D.353.123

A.356.123 B.356.126 C.353.126 D.353.123

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