Ответ:
Пошаговое объяснение:
1) = 2 1/6 : (8 3/4 - 5 2/4) = 2 1/6 : 3 1/4 = 13/6 * 4/13 = 2/3
2) = 3 17/20 : (3 6/15 + 1 11/15) = 3 17/20 : 4 17/15 = 77/20 * 15/77 = 3/4
3) = 2 2/5 : 1 1/10 = 12/5 * 10/11 = 24/11 = 2 2/11
4) = (1 7/10 + 8/10) : 1 7/8 = 1 15/10 : 1 7/8 = 25/10 * 8/15 = 4/3 = 1 1/3
5) = 25/8 * 16/15 - 1/4 = 10/3 - 1/4 = 40/12 - 3/12 = 37/12 = 3 1/12
6) = 1 9/35 : ( 1 3/15 + 10/15) = 1 9/35 : 1 13/15 = 44/35 * 15/28 = 33/49
7) = (11 15/24 + 7 4/24) : 3 5/12 = 18 19/24 : 3 5/12 = 451/24 * 12/41 = 11/2 = 5 1/2
8) = (8 14/24 - 2 15/24) : 2 1/6 = 5 23/24 : 2 1/6 = 143/24 * 6/13 = 11/4 = 2 3/4
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
Пошаговое объяснение:
1) = 2 1/6 : (8 3/4 - 5 2/4) = 2 1/6 : 3 1/4 = 13/6 * 4/13 = 2/3
2) = 3 17/20 : (3 6/15 + 1 11/15) = 3 17/20 : 4 17/15 = 77/20 * 15/77 = 3/4
3) = 2 2/5 : 1 1/10 = 12/5 * 10/11 = 24/11 = 2 2/11
4) = (1 7/10 + 8/10) : 1 7/8 = 1 15/10 : 1 7/8 = 25/10 * 8/15 = 4/3 = 1 1/3
5) = 25/8 * 16/15 - 1/4 = 10/3 - 1/4 = 40/12 - 3/12 = 37/12 = 3 1/12
6) = 1 9/35 : ( 1 3/15 + 10/15) = 1 9/35 : 1 13/15 = 44/35 * 15/28 = 33/49
7) = (11 15/24 + 7 4/24) : 3 5/12 = 18 19/24 : 3 5/12 = 451/24 * 12/41 = 11/2 = 5 1/2
8) = (8 14/24 - 2 15/24) : 2 1/6 = 5 23/24 : 2 1/6 = 143/24 * 6/13 = 11/4 = 2 3/4