Question

23,6+(14,5-30,1)-(6,8+1,9)

Answer 1

23,6+(-1,56)-8,7=23,6-1,56-8,7=13,34

Answer 2

1) 14,5-30,1=44,6
2) 6,8+1,9=7,17
3) 44,6-7,17=34,11
4) 23,6+34,11=57,17
Ответ: 57,17