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12. 已知過P (a , 2)、Q (1 , a + 3)兩點的直線斜率為- 2,試求a = (A) - 3 (B)3
問題詳情
12. 已知過P (a , 2)、Q (1 , a + 3)兩點的直線斜率為- 2,試求a =
(A) - 3
(B)3
參考答案
答案:B
難度:適中0.4
統計:A(2),B(4),C(3),D(0),E(0)
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31. 左圖表示(A)NOR(B)NAND(C)XOR(D)OR 邏輯。
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