Tyt11

1.her deger icin saglanir
2.icin
(2018-1).(2018+1).(2019-1).(2019+1)+1=
(2018²-1).(2019²-1)+1=
(2018.2019)²-(2018²+2019²)+2
bu sayi tamkare degildir
3.icin
a⁴-2a²+1=(a²-1)² a=2 icin 4 ile tam bolunemez
CevapA