1.

Simplify the value of 0.9×0.9×0.9 + 0.2×0.2×0.2 + 0.3×0.3×0.3−3×0.9×0.2×0.30.9×0.9 + 0.2×0.2 + 0.3×0.3−0.9×0.2−0.2×0.3−0.3×0.9=?0.9×0.9×0.9 + 0.2×0.2×0.2 + 0.3×0.3×0.3−3×0.9×0.2×0.30.9×0.9 + 0.2×0.2 + 0.3×0.3−0.9×0.2−0.2×0.3−0.3×0.9=?

A. 1.4
B. 0.054
C. 0.8
D. 1.0
Answer» B. 0.054


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