The original price of a color TV set was 2400 yuan. First, it was increased by 1 / 10 yuan, and then it was reduced by 1 / 10. Now the price of a color TV set is () yuan. Thank you for the process

The original price of a color TV set was 2400 yuan. First, it was increased by 1 / 10 yuan, and then it was reduced by 1 / 10. Now the price of a color TV set is () yuan. Thank you for the process

2400*（1+1/10）*（1-1/10）
=2400*1.1*0.9
=2376

(Pingliang, 2012) the price of a commodity was increased by 20% at first and then decreased by 20%. Compared with the original price ()
A. Increased B. decreased C. unchanged D. undetermined

Suppose that the original price of the commodity is 1, and the present price is: 1 × (1 + 20%) × (1-20%), = 1 × 120% × 80%, = 0.96; 0.96 ＜ 1, the present price is lower than the original price

The original price of a commodity is 70 yuan. First, the price is increased by 20%, and then the price is reduced by 20%. How much is the current price of this commodity?
Calm down

67.2
70*（1+20%）*（1-20%）