Răspuns :
ax3:2+101=266
ax3:2=266-101
ax3:2=165
ax3=165x2
ax3=330
a=330:3
a=110
proba: 110x3:2+101=330:2+101=165+101=266
ax3:2=266-101
ax3:2=165
ax3=165x2
ax3=330
a=330:3
a=110
proba: 110x3:2+101=330:2+101=165+101=266