Решите примеры по действиям: 42.917-7.24+8.323-9 .28:0.32·0.31= 40-5.3·0.12·10+13.52:5:0.8= 27.558:9-0.68·7.9·0.008+21:0.6=

 42.917 - 7.24 + 8.323 - 9.28 / 0.32 * 0.31.1) 9.28 / 0.32 * 0.31 = 8.99.2) 42.917 - 7.24 + 8.323 = 44.3) 44 - 8.99 = 35.01.

40 - 5.3 * 0.12 * 10 + 13.52 / 5 / 0.8.1) 5.3 * 0.12 * 10 = 6.36.2) 13.52 / 5 / 0.8 =  3.38.3) 40 - 6.36 + 3.38 = 37.02.

27.558 / 9 - 0.68 * 7.9 * 0.008 + 21 / 0.6.1) 27.558 / 9 = 3.062.2) 0.68 * 7.9 * 0.008 = 0,042976.4) 21 / 0.6 = 35.5) 3.062 - 0,042976 + 35 = 38,019024.

 254.24 * (399 * 5.52 + 1.62 - 395) / 0.6.1) 399 * 5.52 = 2202,48.2) 2202,48 + 1.66 - 395 = 1809,14.3) 254.24 * 1809,14 / 0.6 = 766592,923.