Question

a+b+c/2=b+c-a/4=c+a-b/3,则4a:b:2c=?

Answer 1

a+b+c/2=b+c-a/4

a+c/2=c-a/4

5a=2c

b+c-a/4=a+c-b/3

b-a/4=a-b/3

16b=15a

b=15/16a

4a:b:2c=4a:15/16a:5a

=64:15:80