(7,42*5/9-(-11,48):1 4/5):0,35

(7,42*5/9 - (-11,48) : 1 4/5) : 0,35

1) 7.42*5=37.1

2) 37.1/9=371/90

3) 11.48/14=0.82

4) 0.82/5=41/250

5) - (-41/250) = 41/250

6) 371/90+41/250=4822/1125

7) 4822/0.35=96440/7

8) 96440/1125=19288/225

9) 1 / (7*225) = 1/1575

Ответ: 19288/1575=12 + (388/1575)