3.若(a-b) 2＝2,(a+b) 2＝7,則2a 2+2b 2+5的值＝＿＿(3)＿＿。

問題詳情

3.若(a-b) 2＝2,(a+b) 2＝7,則2a 2+2b 2+5的值＝＿＿(3)＿＿。

參考答案

答案：C
難度：簡單0.778037
統計：A(44),B(46),C(666),D(11),E(0)

用户評論

【用戶】Nick Lin

【年級】國二上

【評論內容】區域計畫法第 13 條

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