8/9×(-3 9/16)-4 5/6×(-7/58)
8/9×(-3 9/16)-4 5/6×(-7/58) 8/9×(-27/16)+2×5/3×7/58 -3/2+5/3×7/29 -3/2+35/87 -191/174 или -1 17/174 Ответ:-191/174 или -1 17/174