Sobchakshan a wah matimatikal aparieshan we riprizent di aparieshan fi rimuuv abjek fram a kalekshan. Isignifai bai di mainos sain (−). Fi egzampl, ina di picha pah di rait, a 5 − 2 hapl—miinin 5 apl wid 2 tekwe, lef tuotal a 3 hapl. Dierfuo, 5 − 2 = 3. Bisaidn fi kount fruut, sobchakshan kiah aalso riprizent fi kombain adaels fizikal ah abschrak kuantiti we difrah-difrah kaina abjik kiah yuuz ingkluudn negitiv nomba, frakshan, irashanal nomba, vekta, desimal, fongshan, ah miechrix.

"5 − 2 = 3" (voerbali, "faib mainos tuu iikual chrii")