Question

daca puteti sa faceti prin metoda grafica 6

Answer 1

a/../../../
b/../
c/../../../../../../

c=6b
6b-b=5b
5b=45
b=45:5=9
b=9
c=9x6=54
a=3b
a=9x3=27

2b+b+c=
2x9+27+54==99

Answer 2

a /----/----/----/
b/----/
c/----/----/----/----/----/----/

Pui o acolada de la al doilea segment de la c pana la capat si scrii 45 
45:5=9b
9*3=27a
27*2=54c 

2b+a+3c=9*2+27+54*3=207