1.

\(\left( {\frac{{0.1}}{{0.01}} + \frac{{0.01}}{{0.1}} - \frac{{0.9}}{{0.09}} - \frac{{0.09}}{{0.9}}} \right) =\) ?

A. 2
B. 1.01
C. 10.1
D. 0
Answer» E.


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