Ответ:
Пошаговое объяснение:
б) 3 7/9 - 2 = 1 7/9
в) 4/9 + 5/8 = 32/72 + 45/72 = 77/72 = 1 5/72
г) 8 5/12 - 6 7/20 = 8 25/60 - 6 21/60 = 2 4/60 = 2 1/15
д) 3 1/2 : 1 3/4 = 7/2 : 7/4 = 7/2 * 4/7 = 28/14 = 2
е) 5/6 * 18/25 = 1/1 * 3/5 = 3/5
ж) 7/9 - 5/18 = 14/18 - 5/18 = 9/18 = 1/2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
Пошаговое объяснение:
б) 3 7/9 - 2 = 1 7/9
в) 4/9 + 5/8 = 32/72 + 45/72 = 77/72 = 1 5/72
г) 8 5/12 - 6 7/20 = 8 25/60 - 6 21/60 = 2 4/60 = 2 1/15
д) 3 1/2 : 1 3/4 = 7/2 : 7/4 = 7/2 * 4/7 = 28/14 = 2
е) 5/6 * 18/25 = 1/1 * 3/5 = 3/5
ж) 7/9 - 5/18 = 14/18 - 5/18 = 9/18 = 1/2