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

Nsorsoree mfae: Hyɛ nsesa ahorow yɛdze bɔtoto ho no hɔn nyidze no nsew na bɔ enter anaa baten no a ase no.
Legend: (dza ɔwɔ do) = nsorsoree a ɔwɔ nsesa a odzi ewiei koraa ho, (dza abɛsen) = nsorsoree a ɔwɔ nsesa a odzi ewiei dze no enyim no ho, k = nsesa kumaa.