1 8/11+2 2/19/*(1 4/5-2 3/4) Решите плииз

Question

1 8/11+2 2/19/*(1 4/5-2 3/4) Решите плииз

Answer 1

1 8/11 + 2 2/19 * (1 4/5 - 2 3/4) = -3/11
1) 1 4/5 - 2 3/4 = 9/5 - 11/4 = (36-55)20 = -19/20
2) 2 2/19 * (-19/20) = 40/19 * (-19/20) = 2
3) 1 8/11 + (-2) = -2 + 1 8/11 = -3/11