987/7,3018/6,52*23-77,192/32+8,28 * (319-273)

Вычислим значения выражений:

987/7 = 700/7 + 280/7 + 7/7 = 10 + 4 + 1 = 14 + 1 = 15; 3018/6 = 3000/6 + 18/6 = 500 + 3 = 503; 52 * 23 - 77 = 50 * 23 + 2 * 23 - 77 = 50 * 20 + 50 * 3 + 2 * 20 + 2 * 3 - 77 = 1000 + 150 + 40 + 6 - 77 = 1000 + 80 + 40 + 6 - 7 = 1000 + 120 - 1 = 1000 + 119 = 1119; 192/32 + 8,28 * (319 - 273) = 192/32 + 8,28 * 46 = 6 + 8,28 * 46 = 6 + 380,88 = 386,88.