Ответ:
Пошаговое объяснение:
4
1) 2 1/12 : (-15/16) = 25/12 * (-16/15) = 5/3 * (-4/3) = -20/9 = -2 2/9
2) 3 1/12 - (-2 2/9) = 3 1/12 + 2 2/9 = 3 3/36 + 2 8/36 = 5 11/36
3) 5 11/36 - 7 1/4 = 5 11/36 - 7 9/36 = 5 11/36 - 6 45/36 = -1 34/36 = -1 17/18
4) -1 17/18 : (-7/9) = -35/18 * (-9/7) = 5/2 * 1/1 = 5/2 = 2,5
5) -1,8 : (-1,2) = 1,5
6) 1,5 + 2,5 = 4
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
Пошаговое объяснение:
Ответ:
4
Пошаговое объяснение:
1) 2 1/12 : (-15/16) = 25/12 * (-16/15) = 5/3 * (-4/3) = -20/9 = -2 2/9
2) 3 1/12 - (-2 2/9) = 3 1/12 + 2 2/9 = 3 3/36 + 2 8/36 = 5 11/36
3) 5 11/36 - 7 1/4 = 5 11/36 - 7 9/36 = 5 11/36 - 6 45/36 = -1 34/36 = -1 17/18
4) -1 17/18 : (-7/9) = -35/18 * (-9/7) = 5/2 * 1/1 = 5/2 = 2,5
5) -1,8 : (-1,2) = 1,5
6) 1,5 + 2,5 = 4