1.

If \[x\oplus y=\frac{x+y}{2},\]which of the following statements is true?

A. \[7\oplus 5=6\]                       
B. \[8\oplus 5=7\]           
C.      \[9\oplus 8=9\]           
D.      \[10\oplus 6=5\]         
Answer» B. \[8\oplus 5=7\]           


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