38. 若 A(3,−2),B(−3,4),C(k,−1)三點共線,則 k =
(A)−1
(B)1
(C)2
(D)3 

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統計: A(3), B(9), C(91), D(5), E(0) #1882544

詳解 (共 1 筆)

#5331004

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