Răspuns :
a+b+c=326
a=b+26
c=3b
b+26+b+3b=326
5b+26=326
5b=326-26
5b=300
b=300:5
b=60
c=3b
c=3*60
c=180
a=b+26
a=60+26
a=86
a=b+26
c=3b
b+26+b+3b=326
5b+26=326
5b=326-26
5b=300
b=300:5
b=60
c=3b
c=3*60
c=180
a=b+26
a=60+26
a=86
a,b,c , b= a-26 , b=c:3 , deci a = 26+ b ,c =3b , a+B+C=326 m 26+b +3b+ b=326
26+5b= 326 /-26=> 5b=300 , B= 60, A=60+26=86 , C= 60 :3 , C= 20
26+5b= 326 /-26=> 5b=300 , B= 60, A=60+26=86 , C= 60 :3 , C= 20