Ответ:25819 + 100 = 25919.309 · 100 = 30900.500000 − 1 = 499999.418578 − 570 = 418008.395000 : 100 = 3950.75800 − 10000 = 65800.130007 + 8000 = 138007.275300 : 10 = 27530.