Ответ:\(6\,286+2\,689=8\,975\).\(10\,000-876=9\,124\).\(302\cdot27=302\cdot20+302\cdot7=6\,040+2\,114=8\,154\).\(1\,248:6=208\).Ответ: 8 975; 9 124; 8 154; 208.