А) -6 1/5:(3 2/5 - 1 1/3 ) = б) -3 2/3*1 1/2-1 2/3*1 1/2 = Помогите пожалуйста!
- 6 1/5 : ( 3 2/5 - 1 1/3 ) = - 6 1/5 : ( 3 6/15 - 1 5/15) = = - 6 1/5 : 2 1/15 = - 31/15 * 15/31 = - 1 - 3 2/3 * 1 1/2 - 1 2/3 * 1 1/2 = = 1 1/2 * ( - 3 2/3 - 1 2/3 ) = = 1 1/2 * ( - 5 1/3) = = 3/2 * (- 16/3) = - 8/1 = - 8