( )下列何者正確？(A) (7－2)2＝72－ (B) (8－4)2＝82－2×8×4＋42(C) (9－3)2 ＝92－2×9×3－32 (D) (9＋8)2＝92＋82

問題詳情

7.( )下列何者正確？
(A) (7－2)2＝72－
(B) (8－4)2＝82－2×8×4＋42
(C) (9－3)2 ＝92－2×9×3－32
(D) (9＋8)2＝92＋82

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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