1.

Which number fills the box in the given sum? \[\frac{\begin{align}   & \,\,\,\,\,7~~3~~1~~6 \\  & +\text{ }1~~8~~2~~6 \\ \end{align}}{\,\,\,\square \,\,1~~4~~5}\]

A. 6           
B. 9        
C.      5         
D.       8
Answer» C.      5         


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