Răspuns :
n×5+6=36/-6 n×5=30/:5 n=6 R:n=6,stiind ca numarul de unitati este n
(ax5)+(12:2)=6x6
ax5+6=36
ax5=36-6
ax5=30
a=30:5
a=6
V:
ax5+6=36
ax5=36-6
ax5=30
a=30:5
a=6
V: