Question

12 4 2 = 812 4 2 = 16

Answer 1

(12+4): 2 =8

(12-4)*2=16

 

Answer 2

(12-4)*2=16

от 12 отнимем 4 и умножи на 2

Answer 3

12 + 4 + 2 equals 18, not 16. It seems like there might be a misunderstanding or a typo in the question. If there is a specific aspect of addition or any other topic you'd like to discuss or if you have a different question, feel free to ask and I'll be happy to help!