1) (5 5/6 + 8 2/9) : 25.3 - 3 1/9 + 1.5 : 27/28 = (35/6 + 74/9) : 25.3 - 28/9 + 15/28 = (175/30 + 296/45) : 25.3 - 28/9 + 15/28 = (525/90 + 592/90) - 28/9 + 15/28 = (1117/90) - 28/9 + 15/28 ≈ 12.4111 - 3.1111 + 0.5357 ≈ 9.8357
2) 117.5 4 / 47 - 11 2/3 + (10 2/25 - 8 7/15) : 11/45 = 117.5 4 / 47 - 35/3 + (402/25 - 122/15) / 11/45 = 470 / 47 - 35/3 + (1612/75 - 488/75) / 11/45 = 470 / 47 - 35/3 + 1124/75 / 11/45 = 470 / 47 - 35/3 + 1124/75 * 45/11 = 470 / 47 - 35/3 + 2020 / 33 = 10 - 35/3 + 2020 / 33 ≈ 86.0606
3) 89.8 / 59 13/15 + 3/7 - (42 - 41 36/49) 3.5 = 89.8 / 59 13/15 + 3/7 - (-2 13/49) 3.5 = 89.8 / (900/15 + 59/15) + 3/7 - (-13801/49) = 89.8 / 959/15 + 3/7 + 13801/49 = 89.8 * 15 / 959 + 3/7 + 13801/49 = 1347 / 959 + 3/7 + 13801/49 = 1347 / 959 + 2057/959 + 13801/49 = 3735/959 + 13801/49 ≈ 3153.67
4) (73.6 - 72 5/9) : 6 4/15 + 7/13 (20 2/3 - 19 3/7) = (147/2 - 65/9) : 94/15 + 7/13 (62/3 - 142/7) = 733/18 : 94/15 + 7/13 (186/7 - 203/7) = 733/18 : 94/15 + 7/13 (-17/7) = 733/18 : 94/15 - 119/91 = 733/18 : 282/45 - 119/91 = 733/18 * 45/282 - 119/91 = 1125/94 - 119/91 ≈ 11.9681 - 1.3077 ≈ 10.6604
5) (17 5/14 - 29 4/21) (32.098 + 5.902) : (49 1/7 - 30 10/27) = (-149/14) 38 : (344/7 - 310/27) = (-149/14) 38 : (344/7 - 310/27) = (-149/14) 38 : (1858/27) = -2662/7 : 1858/27 = -38098/189 ≈ -201.5582
6) (81 2/15 - 79.3) (24.04 - 22.68) (1 2/3 + 1 1/9) = (1227/15 - 79.3) 1.36 (5/3 + 10/9) = (1227/15 - 79.3) 1.36 25/9 = (1227/15 - 791/10) 1.36 25/9 = (73413/450 - 793/10) 1.36 = (146826/900 - 7930/900) 1.36 = 138896/900 * 1.36 = 1566384/2250 ≈ 696.1502
Надеюсь, что это поможет! Если у вас есть еще вопросы, не стесняйтесь спрашивать.
1) (5 5/6 + 8 2/9) : 25.3 - 3 1/9 + 1.5 : 27/28 = (35/6 + 74/9) : 25.3 - 28/9 + 15/28 = (175/30 + 296/45) : 25.3 - 28/9 + 15/28 = (525/90 + 592/90) - 28/9 + 15/28 = (1117/90) - 28/9 + 15/28 ≈ 12.4111 - 3.1111 + 0.5357 ≈ 9.8357
2) 117.5 4 / 47 - 11 2/3 + (10 2/25 - 8 7/15) : 11/45 = 117.5 4 / 47 - 35/3 + (402/25 - 122/15) / 11/45 = 470 / 47 - 35/3 + (1612/75 - 488/75) / 11/45 = 470 / 47 - 35/3 + 1124/75 / 11/45 = 470 / 47 - 35/3 + 1124/75 * 45/11 = 470 / 47 - 35/3 + 2020 / 33 = 10 - 35/3 + 2020 / 33 ≈ 86.0606
3) 89.8 / 59 13/15 + 3/7 - (42 - 41 36/49) 3.5 = 89.8 / 59 13/15 + 3/7 - (-2 13/49) 3.5 = 89.8 / (900/15 + 59/15) + 3/7 - (-13801/49) = 89.8 / 959/15 + 3/7 + 13801/49 = 89.8 * 15 / 959 + 3/7 + 13801/49 = 1347 / 959 + 3/7 + 13801/49 = 1347 / 959 + 2057/959 + 13801/49 = 3735/959 + 13801/49 ≈ 3153.67
4) (73.6 - 72 5/9) : 6 4/15 + 7/13 (20 2/3 - 19 3/7) = (147/2 - 65/9) : 94/15 + 7/13 (62/3 - 142/7) = 733/18 : 94/15 + 7/13 (186/7 - 203/7) = 733/18 : 94/15 + 7/13 (-17/7) = 733/18 : 94/15 - 119/91 = 733/18 : 282/45 - 119/91 = 733/18 * 45/282 - 119/91 = 1125/94 - 119/91 ≈ 11.9681 - 1.3077 ≈ 10.6604
5) (17 5/14 - 29 4/21) (32.098 + 5.902) : (49 1/7 - 30 10/27) = (-149/14) 38 : (344/7 - 310/27) = (-149/14) 38 : (344/7 - 310/27) = (-149/14) 38 : (1858/27) = -2662/7 : 1858/27 = -38098/189 ≈ -201.5582
6) (81 2/15 - 79.3) (24.04 - 22.68) (1 2/3 + 1 1/9) = (1227/15 - 79.3) 1.36 (5/3 + 10/9) = (1227/15 - 79.3) 1.36 25/9 = (1227/15 - 791/10) 1.36 25/9 = (73413/450 - 793/10) 1.36 = (146826/900 - 7930/900) 1.36 = 138896/900 * 1.36 = 1566384/2250 ≈ 696.1502
Надеюсь, что это поможет! Если у вас есть еще вопросы, не стесняйтесь спрашивать.