Answer:
12
Explanation:
Multiply 1/2 by 12 and get 6, divide 6 by 2 and get 3, 3-2 is 1, then add 1 and 11 to get the answer 12
1/2*12=6
6/2=3
11+2=13
13-3=10
10+2=12
P.E.M.D.A.S
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