A.
[tex] - \frac{3}{4} \times \frac{3}{7} = - \frac{9}{28} [/tex]
B.
[tex] \frac{1}{7} \times \frac{5}{4} = \frac{5}{28} [/tex]
C.
[tex] \frac{ - 1}{6} \times \frac{3}{10} = \frac{ - 3}{60} = \frac{ - 1}{20} [/tex]
D.
[tex] \frac{7}{3} \div \frac{3}{9} = \frac{7}{3} \times \frac{9}{3} = \frac{63}{9} = 7[/tex]
E.
[tex] \frac{ - 4}{7} \div \frac{5}{4} = \frac{ - 4}{7} \times \frac{4}{5} = \frac{ - 16}{35} [/tex]
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A.
[tex] - \frac{3}{4} \times \frac{3}{7} = - \frac{9}{28} [/tex]
B.
[tex] \frac{1}{7} \times \frac{5}{4} = \frac{5}{28} [/tex]
C.
[tex] \frac{ - 1}{6} \times \frac{3}{10} = \frac{ - 3}{60} = \frac{ - 1}{20} [/tex]
D.
[tex] \frac{7}{3} \div \frac{3}{9} = \frac{7}{3} \times \frac{9}{3} = \frac{63}{9} = 7[/tex]
E.
[tex] \frac{ - 4}{7} \div \frac{5}{4} = \frac{ - 4}{7} \times \frac{4}{5} = \frac{ - 16}{35} [/tex]