Câu hỏi

Trong các phân số sau, phân số nào không bằng ? A. 6 9 " src="data:image/jpeg;charset=utf-8;base64,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" style="width: 16.00px; height: 36.00px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="6 over 9"> B. 9 12 " src="data:image/jpeg;charset=utf-8;base64,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" style="width: 24.00px; height: 36.00px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="9 over 12"> C. - 6 - 8 " src="data:image/jpeg;charset=utf-8;base64,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" style="width: 29.33px; 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height: 36.00px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="fraction numerator negative 3 over denominator negative 4 end fraction">