Sagot :
Cevap:
once carpma, sonrasinda ise islem sirasina gore toplama ve cikarma islemi yapilir. yani once 8.2'yi yapiyoruz ve 16 oluyor, devami su sekilde,
5+8.2-1
=5+16-1
=21-1
=20
cevap B sikki, iyi dersler!<3
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