Решить выражение
(-2,04:1/25-3,61:(-19/40)):(-2 4/5)+0,6:(-0,9)=

1) -2,04 = -204/1002) -204/100 / 1/25 = -204/100 * 25/1 = -513) 3,61 = 361/1004) -361/100 / 19/40 = -361/100 * 40/19 = -38/5 = -7,65) -51 - (-7,6) = -51 + 7,6 = -43,46) -2 * 4/5 = -1,67) -43,4/(-1,6) = 27,1258) 0,6/(-0,9) = -2/39) 27,125 - 2/3 = 27125/1000 - 2/3 = 81375/3000 - 2000/3000=79375/3000