 
 <translate> Let N = smallest number. N + 1 = next number. N + 2 = largest number. N + (N + 1) + (N + 2) = 18. 3N + 3 = 18. 3N = 15. N = 5. The largest number is 7.
The answer: 7. <ibo> Ka N = ọnụ ọgụgụ kacha nta. N + 1 = nọmba ọzọ. N + 2 = ọnụ ọgụgụ kasịnụ. N + (N + 1) + (N + 2) = 18. 3N + 3 bụ 18. 3N = 15. N = 5. Nọmba kachasị ukwuu bụ 7. Azịza ya bụ: 7. 