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The price of a refrigerator is increased by 1 / 15 and then decreased by 1 / 15. Compared with the original refrigerator, the price of this refrigerator is () a, increased B, decreased C and unchanged
The price of a refrigerator is increased by 1 / 15 and then decreased by 1 / 15. Compared with the original refrigerator, the price of this refrigerator is () a, increased B, decreased C and unchanged
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