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1. 將 x2 +6x 配成完全平方式時,應加上下列哪一個選項? (A)-3 (B)3 (C)6 (D)9
問題詳情
1. 將 x2 +6x 配成完全平方式時,應加上下列哪一個選項?
(A)-3
(B)3
(C)6
(D)9
參考答案
答案:D
難度:
計算中
-1
書單:
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James Lin
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x2 +6x 配成完全平方式假設加入常數★☆,...
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