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01.下列何者為x2-3x-18的因式?(A) x-3 (B) x+3 (C) x-9 (D) x+9
問題詳情
01.下列何者為x2-3x-18的因式?
(A) x-3
(B) x+3
(C) x-9
(D) x+9
參考答案
答案:B
難度:
計算中
-1
書單:
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林宥蓁
】評論
X2 - 3X -18 = (X-6)(X+3)
上一篇 :
1. 0.00073記成科學記號是下列哪一個? (A) (B) (C) (D)7.3× 。
下一篇 :
1. 若 的科學記號表示法為 ,則 a + m =?(A) - 8 (B) - 10 (C) - 12 (D) 7
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【題組】26. (A) pays (B) costs (C) takes (D) spends
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