Question

решить по действиям 1) 4цел.2/3+1/4*(1цел.7/9-4/9)       2)13цел.1/3*(18,1-(3²+6,1))

Answer 1

a). 4 2/3 + 1/4 * (1 7/9 - 4/9)
1. 1 7/9 - 4/9 = 1 3/9
2. 1/4 *  1 3/9 = 12/36 = 1/3
3. 4 2/3 + 1/3 = 15/3 = 5

б) 13 1/3 * ( 18,1 - (3^2+6,1)
1. 3^2+6.1 = 9+6.1 = 15.1
2. 18.1 - 15.1 = 3
3. 13 1/3 * 3 = 120/3 = 40