Вычислите по действиям: 2,2(7)+4 1/6 *(0,625-1,64: 1,6)=

2,2(7) = 41/18     4 1/6 = 25/6

41/18 + 25/6 * (0,625 - 1,64 : 1,6) = 11/18
1) 1,64 : 1,6 = 1,025
2) 0,625 - 1,025 = - 0,4
3) 25/6 * (-0,4) = 25/6 * (-2/5) = - (5*1)/(3*1) = - 5/3 
4) 41/18 + (-5/3) = 41/18 - 30/18 = 11/18