1.

Find the result of the following. \[\mathbf{19}-\mathbf{18}+\mathbf{17}-\mathbf{16}+\mathbf{15}-\mathbf{14}+\mathbf{13}-\mathbf{12}=[\,\,?\,\,]\]   

A.  124
B.    48   
C.      4     
D.    1
Answer» D.    1


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