1.

\[\frac{0.9\times 0.9\times 0.9+0.2\times 0.2\times 0.2+0.3\times 0.3\times 0.3}{0.9\times 0.9+0.2\times 0.2+0.3\times 0.3}\]\[\frac{-3\times 0.9\times 0.2\times 0.3}{-0.9\times 0.2-0.2\times 0.3-0.3\times 0.9}=?\]

A. \[1.4\]                           
B.  \[0.054\]
C. \[0.8\]                          
D.  \[1.0\]
Answer» B.  \[0.054\]


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