 <translate> 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. <hau> Bari N = mafi ƙarancin lamba. N + 1 = lamba ta gaba. N + 2 = mafi girman lamba. N + (N + 1) + (N + 2) = 18. 3N + 3 ya yi daidai da 18. 3N daidai yake da 15. N = biyar. Lambar da ta fi girma ita ce 7. Amsar ita ce: 7. 