Вычисляем выражение в скобках8 7/12 - 2 17/36 = 8 21/36 - 2 17/36 = 5 4/36 = 5 1/9
Вычисляем 1 (5 1/9) 2.71 (5 1/9) 2.7 = 5 1/9 2.7 = 5.1111 2.7 = 13.7777
Вычисляем 4 1/3 / 0.654 1/3 = 13/13/3 / 0.65 = (13/3) / (65/100) = (13/3) * (100/65) = 1300/195 = 20/3
Вычисляем выражение в скобках1 11/24 + 13/36 = 1 22/72 + 13/36 = 1 88/72 + 13/36 = 1 154/72 = 3 10/72 = 3 5/36
Вычисляем 2 (3 5/36) 1.442 (3 5/36) 1.44 = (6 10/36) 1.44 = (6 5/18) 1.44 = 6.2777 * 1.44 = 9
Вычисляем 8/15 0.56258/15 0.5625 = (8/15) * (225/400) = 1800/6000 = 3/10
Ответ13.7777 - 20/3 - 9 + 3/10 = 13.7777 - 6.6666 - 9 + 0.3 = -1.4889
Вычисляем выражение в скобках
8 7/12 - 2 17/36 = 8 21/36 - 2 17/36 = 5 4/36 = 5 1/9
Вычисляем 1 (5 1/9) 2.7
1 (5 1/9) 2.7 = 5 1/9 2.7 = 5.1111 2.7 = 13.7777
Вычисляем 4 1/3 / 0.65
4 1/3 = 13/
13/3 / 0.65 = (13/3) / (65/100) = (13/3) * (100/65) = 1300/195 = 20/3
Вычисляем выражение в скобках
1 11/24 + 13/36 = 1 22/72 + 13/36 = 1 88/72 + 13/36 = 1 154/72 = 3 10/72 = 3 5/36
Вычисляем 2 (3 5/36) 1.44
2 (3 5/36) 1.44 = (6 10/36) 1.44 = (6 5/18) 1.44 = 6.2777 * 1.44 = 9
Вычисляем 8/15 0.5625
8/15 0.5625 = (8/15) * (225/400) = 1800/6000 = 3/10
Ответ
13.7777 - 20/3 - 9 + 3/10 = 13.7777 - 6.6666 - 9 + 0.3 = -1.4889