\(1\,740\,003 - 583\,494 = 1\,156\,509\).
\(597\,123 + 532\,989 = 1\,130\,112\).
\(901\,011 - 804\,254 = 96\,757\).
Ответ: 1 156 509; 1 130 112; 96 757.