1.

Simplify: \({\left( {13} \right)^2} - {\left( {14} \right)^2}{\rm{}} + {\rm{}}{\left( {17} \right)^2} - 250{\rm{}} = {\rm{}}\sqrt ? \)

A. 196
B. 169
C. 121
D. 144
Answer» E.


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