(269 + 576) + 24 = (576 + 24) + 269 = 600 + 269 = 869;
438 + 27 + 62 + 273 = (438 + 62) + (27 + 273) = 500 + 300 = 800;
374 − (274 + 99) = (374 − 274) − 99 = 100 − 99 = 1;
(895 + 49) − 894 = (895 − 894) + 49 = 1 + 49 = 50;
(93 * 5) * 2 = 93 * (5 * 2) = 93 * 10 = 930;
(2 * 8) * (5 * 7) = (8 * 7) * (5 * 2) = 56 * 10 = 560;
48 * 15 = 2 * 24 * 5 * 3 = (24 * 3) * (2 * 5) = (20 + 4) * 3 * 10 = (20 * 3 + 4 * 3) * 10 = (60 + 12) * 10 = 72 * 10 = 720;
35 * 28 = (7 * 5) * (2 * 14) = (14 * 7) * (2 * 5) = (10 + 4) * 7 * 10 = (10 * 7 + 4 * 7) * 10 = (70 + 28) * 10 = 98 * 10 = 980.