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統計： A(8), B(14), C(15), D(13), E(0) #236057

詳解 (共 1 筆)

#991615

原式=[38+(5/6)] - {[52+(3/8)] - [73+(1/8)]} - {-[7+(2/3)] - [8+(1/6)]}

        =[38+(5/6)] - [52+(3/8)] + [73+(1/8)] + [7+(2/3)] + [8+(1/6)]
        =75+(5/12)......D
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