175 * 5/6-170* 1/3+3* 5/12 ---------------------------------- = 0.8 * 0.25 помогите решить
175 * 5/6-170* 1/3+3* 5/12 (175·5)/6-(170/3)+5/4 175·10/12-170·4/12+15/12---------------------------------- = ----------------------------- =----------------------------------= 0.8 * 0.25 0,2 2/10 =5425/12=452+1/12