(1 целая 5/6-4 целых 4/9):(-2/3+8,5)
3*5-2*16 -------------- : (-2/3 + 8.5 ) = 18 15-2-32 ------------- : (-2/3 +8.5) = 18 -17 47 ----- : ----- = 18 6 17 6 - ---- * ----- = 18 47 17 1 17 17 - ----- * ----- = - ----- = - ----- 3 47 3*47 141