The original price of a commodity is () A. M1.12 yuan b.1.12m yuan c.m0.81 yuan d.0.81m yuan

The original price of a commodity is () A. M1.12 yuan b.1.12m yuan c.m0.81 yuan d.0.81m yuan

Let the original price be x yuan, according to the meaning of the question: X (1-10%) 2 = m, the solution is x = m0.81