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

Intixobi tafovut:quttiji nusxahoro baroi tafovut qajd kuned va tugmai doxil kardan jo tugmai zerro paxş kuned.
Şarh: (fe'lī) tafovut bo nusxai fe'lī (qablī) = tafovut bo nusxai fe'lī, çuz' = viroişi çuz'ī