Revision history of "(first,second) - (third) = (first,second) unchanged" (Z12859)

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.