👤

Daca a:b=3 c:a=2 si c-b=45 calculeaza 2b+a+3c

Răspuns :

a/../../../
b/../
c/../../../../../../
c-b=45
45:5=9
b=9
c=6x9=54
a=3x9=27
vberificam
27:9=3
54-9=45
54:27=2


2b+a+3c=
2x9+27+3x54=
18+27+162=207