MANFIY SONLARNI AYIRISH
8 -14 2 -8 -4 -6 -2 4 -18Kvadratni tikla . Kvadratga shunday son yozingki, qator, ustun, diagonal yig’indisi teng bo’lsin . 4+(-2)+(-8)+(-14)=-20-20 6 0 -12 10-10 -16 Pechat
а sonining b soniga ayirmasi deganda nimani tushunasiz ? ???13 – 9 = 4 13 ni 9 ga kamaytirish 13+ ( – 9) = 4 Bu ham shunday natija . 9 va – 9 – qarama –qarshi sonalr Demak, а ni b kamaytirish а sonini (- b ) qo’shganga teng ekan
Misollar yechamiz :
Ifodaning qiymatini toping 14 19 -71 42 -20