48.( ) 若phpE9atvg ,且phpFd1hPk, 則a+b=?
(A)1469.25
(B)1469.5
(C)2703.5
(D)2703.25

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統計: A(51), B(27), C(51), D(314), E(0) #1808227

詳解 (共 1 筆)

#2853046
(1234.5)2 = 12342+a(...
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