Răspuns :
a+a+1+a+2=264
3a+3=264
3a=264-3
3a=261
a=261:3
a=87 (I nr)
87+1=88 (II nr)
87+2=89 (III nr)
V:87+88+89=264
3a+3=264
3a=264-3
3a=261
a=261:3
a=87 (I nr)
87+1=88 (II nr)
87+2=89 (III nr)
V:87+88+89=264
a +b+c=264
b=a+1
c=b+1 => c=a+2
a+a+1+a+2=264
3a+3=264
3a=264-3
3a=261
a=261:3
a=87
b=88
c=89
b=a+1
c=b+1 => c=a+2
a+a+1+a+2=264
3a+3=264
3a=264-3
3a=261
a=261:3
a=87
b=88
c=89