Duba zuwa sashi a ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Masu canji na iya wakiltar lambobi waɗanda ba a san darajar su ba tukuna. Misali, idan zafin jiki na yau, C, ya fi digiri 20 sama da zafin jiki na ranar da ta gabata, P, to ana iya bayyana matsalar ta algebraically Tambaya: Menene masu canji suke wakilta?
ba a san darajar ba tukuna