1.

( 8.73 x 8.73 x 8.73 + 4.27 x 4.27 x 4.27 ) / ( 8.73 x 8.73 - 8.73 x 4.27 + 4.27 x 4.27 ) is equal to ?

A. 11
B. 13
C. 11/7
D. None of these
Answer» C. 11/7


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