Revision history of "subtract, composition of add and negate" (Z17248)
Dumma dooruwaa: geeddaranawu zaaretotu iraadooniyaa bochiyoosaa malaatanne enter giyaagaa bocha.
Legend: (ha'i) = kase zaaretuwaappe dummatiyaagaa, (ha'i) = kaalliyaa zaaretuwaappe dummatiyaagaa, (ha'i) = qiibaa laamiyaa.