Răspuns :
fie a , b , c nr cautate
b=a+1 c=a+2 ( nr consecutive )
a+b+c= 75
a+a+1+a+2=75
3a+3=75
3a=72 a=24 b=25 c= 26
b=a+1 c=a+2 ( nr consecutive )
a+b+c= 75
a+a+1+a+2=75
3a+3=75
3a=72 a=24 b=25 c= 26