1.

\(\frac{{2\frac{1}{4} \div \frac{3}{7}\; \times \frac{1}{3}}}{{2\frac{1}{2} + 1\frac{3}{4} \div 3\frac{1}{2}}}\;\) = ?

A. 7/12
B. 5/12
C. 1/12
D. 7/15
Answer» B. 5/12


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