Question

x:37=2131 и z:3 13=1 910 помогите

Answer 1

1)
х=21/31*3/7
х=9/31

2)
z=1 9/10*3 1/3
z=19/10*10/3
z=19/3
z=6 1/3

Answer 2

x:37=2131
х=21/31*3/7
х=9/31

z:3 13=1 910 z:10/3=19/10
z=19/10*10/3
z=19/3
z=6 1/3