The original price of a commodity is 200 yuan. First reduce the price by 20%, then increase the price by 20%. Now how much is the price per piece

200*（1-20%）*（1+20%）=192

The original price of a dress is 200 yuan, first increased by 10%, then decreased by 10%______ (judge right or wrong)

200 × (1 + 10%) = 200 × 1.1 = 220 (yuan) 220 × (1-10%) = 220 × 0.9 = 198 (yuan) 198 yuan < 200 yuan

The original price of a commodity is 200 yuan, reduced by 10%, and then increased by 10%. The current price is () yuan

180+18=198

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