Ответ:
a)(13/14:3/7)+5/21x:3/7=3*1/4
13/6+5/9x=13/4
5/9x=13/4-13/6
5/9x=13/12
x=13/12:5/9
x=13/20
б)(4/15:1/5)+(2/9:1/5)y= 3 1/6
4/3+10/9y= 19/6
10/9y=19/6-4/3=11/6
y= 11/6:10/9
y=33/20= 1 13/20
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
a)(13/14:3/7)+5/21x:3/7=3*1/4
13/6+5/9x=13/4
5/9x=13/4-13/6
5/9x=13/12
x=13/12:5/9
x=13/20
б)(4/15:1/5)+(2/9:1/5)y= 3 1/6
4/3+10/9y= 19/6
10/9y=19/6-4/3=11/6
y= 11/6:10/9
y=33/20= 1 13/20