Sagot :
Cevap:
Adım adım açıklama:
(A+B)KARE-4AB=(AKARE+2AB+BKAE)-4AB=AKARE+2AB+BKARE-4AB
=AKARE-2AB+BKARE=(A-B)KARESİ
iki soruda da bu formül var buna göre
A=2012 ve B=2011 ise
(A+B)KARE-4AB=(A-B)KARE=(2012-2011)KARE=1KARE=1
AŞAĞIDAKİ SORU DA AYNI ŞEKİLDE SEN YAPABİLİRSİN..
(256-260)kare=(-4)kare=16
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