a+b+c=360,b=a+c,a=5c,求a.b.c的值

a+b+c=360,b=a+c,a=5c,求a.b.c的值
a+b+c=360,b=a+c,a=5c,求a.b.c的值

a+b+c=360,b=a+c,a=5c,求a.b.c的值
a+c=180
c=30
a=150
b=180

a150
b180
c30

2b=360
b=180
180/6 =30.......c
30*5=150......a

a+b+c=5c+c+c=360
7c=360
所以c=360/7
a=5*360/7
b=a+c就自己去算吧