Номер 1194

1) –56 – (–27) = –56 + 27 = –29;
2) –103 – (–513) = –103 + 513 = 410;
3) –2,3 – (–23) = –2,3 + 23 = 20,7;
4) –4,09 – (–3,003) = –4,09 + 3,003 = –1,087.