Răspuns :
notam a:18=b
786+b=1 416
b=1416-786
b=630 inlocuim
a:18=630
a=630*18
a=11 340
786+11340:18=
786+630=1416
786+b=1 416
b=1416-786
b=630 inlocuim
a:18=630
a=630*18
a=11 340
786+11340:18=
786+630=1416