Răspuns :
72:3²= 72:9=8
2k+2k+2+2k+4=36
6k+6=36
6k=36-6
6k=30
k=5
a=2*5=10
b=2*5+2=10+2=12
c=2*5+4=10+4=14
2k+2k+2+2k+4=36
6k+6=36
6k=36-6
6k=30
k=5
a=2*5=10
b=2*5+2=10+2=12
c=2*5+4=10+4=14
1)8(72:9=8)
2)a+a+1+a+2=36
3a=36-3
3a=33=>a(cel mai mic numar) =33÷3=11