1.

\(\frac{0.41 \times 0.41 \times 0.41 + 0.69 \times 0.69 \times 0.69}{0.41 \times 0.41 - 0.41 \times 0.69 + 0.69 \times 0.69}\) is equal to

A. 0.28
B. 11
C. 1.10
D. 2.8
Answer» D. 2.8


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