Question

Вычислите: 1) 3/8 * (-4) + 5; 2) 5/9 : (-1/3) - 7; 3) 2/5* (-3)- 4/5; 4) 5/12: 1/4-(-1/3); 5) (1/2) * (-4) -5; 6) 4/9 : (-2/3)+1.