Revision history of "subtract, composition of add and negate" (Z17248)

Konga faikehekehe: fakaʻilongaʻi ʻa e ngaahi puha fakaletio ʻo e ngaahi paaki ʻo fakatatau pea lomiʻi.
ʻAtungatala: (taka) = ngaahi lilu mo e paaki taka, (mui) = ngaahi liliu mo paaki naʻe fetongi, s = fatu siʻi.