1.

(0.05 * 0.05 * 0.05+ 0.04 * 0.04 * 0.04)- (0.05 * 0.05-0.05 * 0.04 +0.04 * 0.04 )=?

A. 0.10
B. 0.09
C. 2.19
D. 0
Answer» C. 2.19


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