1.

Solve $${\left( {\frac{{18}}{4}} \right)^2} \times $$ $$\left( {\frac{{455}}{{19}}} \right) \div $$$$\left( {\frac{{61}}{{799}}} \right) = ?$$

A. 320
B. 400
C. 350
D. 430
E. 490
Answer» D. 430


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