а)
575 : 23 + 15 * 34 = 25 + 510 = 535;
1) 575 : 23 = 25,
2) 15 * 34 = 510,
3) 25 + 510 = 535,
б)
(2884 + 1508) : 122 - 22 = 4392 : 122 - 22 = 36 - 22 = 14;
1) 2884 + 1508 = 4392,
2) 4392 : 122 = 36,
3) 36 - 22 = 14,
в)
37 * 25 - 11 * 12 = 925 - 132 = 793;
1) 37 * 25 = 925,
2) 11 * 12 = 132,
3) 925 - 132 = 793,
г)
(237 - 182) * 23 - 13 = 55 * 23 - 13 = 1265 - 13 = 1252,
1) 237 - 182 = 55,
2) 55 * 23 = 1265,
3) 1265 - 13 = 1252