Ответ:
Пошаговое объяснение:
2. 7/8 : 1/8 = х : 1. 3/5
23/8 : 1/8 = х : 8/5
х = 8/5 * 23/8 / 1/8
х = 23/5 / 1/8
х = 23/5 * 8/1
х = 184/5
х = 36. 4/5
1. 1/8 : 3. 3/4 = 3/20у : 2. 1/3
9/8 : 15/4 = 3/20у : 7/3
3/20у = 7/3 * 9/8 / 15/4
3/20у = 7/1 * 3/8 / 15/4
3/20у = 21/8 * 4/15
3/20у = 7/2 * 1/5
3/20у = 7/10
у = 7/10 : 3/20
у = 7/10 * 20/3
у = 7/1 * 2/3
у = 14/3
у = 4. 2/3
4)2 7/8 : 1/8 = х : 1. 3/5
х = 8/5 * 23/8 : 1/8
х = 23/5 : 1/8 = 23/5 * 8/1= 184/5
х = 36 4/5=36,8
5)1 1/8 : 3. 3/4 = 3/20у : 2. 1/3
3/20у = 7/1 * 3/8 : 15/4
3/20у = 7/10у
y = 7/10 : 3/20= 7/10 * 20/3=7/1 * 2/3=14/3
у = 4 2/3
3)2x:1/6=5/8:1/2
2/1*6/1=5/8:1/2
12/1x=5/8:1/2
12x=5/8*2/1
12x=5/4
x=5/4:12/1=5/4*1/12=5/48
x=5/48
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
Пошаговое объяснение:
2. 7/8 : 1/8 = х : 1. 3/5
23/8 : 1/8 = х : 8/5
х = 8/5 * 23/8 / 1/8
х = 23/5 / 1/8
х = 23/5 * 8/1
х = 184/5
х = 36. 4/5
1. 1/8 : 3. 3/4 = 3/20у : 2. 1/3
9/8 : 15/4 = 3/20у : 7/3
3/20у = 7/3 * 9/8 / 15/4
3/20у = 7/1 * 3/8 / 15/4
3/20у = 21/8 * 4/15
3/20у = 7/2 * 1/5
3/20у = 7/10
у = 7/10 : 3/20
у = 7/10 * 20/3
у = 7/1 * 2/3
у = 14/3
у = 4. 2/3
Ответ:
4)2 7/8 : 1/8 = х : 1. 3/5
23/8 : 1/8 = х : 8/5
х = 8/5 * 23/8 : 1/8
х = 23/5 : 1/8 = 23/5 * 8/1= 184/5
х = 36 4/5=36,8
5)1 1/8 : 3. 3/4 = 3/20у : 2. 1/3
9/8 : 15/4 = 3/20у : 7/3
3/20у = 7/1 * 3/8 : 15/4
3/20у = 21/8 * 4/15
3/20у = 7/2 * 1/5
3/20у = 7/10у
y = 7/10 : 3/20= 7/10 * 20/3=7/1 * 2/3=14/3
у = 4 2/3
3)2x:1/6=5/8:1/2
2/1*6/1=5/8:1/2
12/1x=5/8:1/2
12x=5/8*2/1
12x=5/4
x=5/4:12/1=5/4*1/12=5/48
x=5/48
Пошаговое объяснение: