Respuesta:
11.
[tex] - \frac{2}{5} \div - \frac{2}{3} = \frac{6}{10} [/tex]
12.
[tex] - \frac{4}{5} \div \frac{2}{7} = \: - \frac{28}{10} [/tex]
13.
[tex] - \frac{5}{7} \div \frac{3}{7} = - \frac{35}{21} [/tex]
14.
[tex] - \frac{4}{5} \div \frac{4}{15} = - \frac{60}{20} [/tex]
15.
[tex] - \frac{2}{5} \div - \frac{7}{6} = \frac{12}{35} [/tex]
16.
[tex] - \frac{8}{5} \div \frac{2}{5} = - \frac{40}{10} [/tex]
17.
[tex] - 2.5 \div 5.3 = - 0.47[/tex]
18.
[tex]6.4 \div - 4.5 = - 1.42[/tex]
19.
[tex] - 5.7 \div - 2.1 = 2.71[/tex]
20.
[tex] - 6.4 \div - 4.5 = 1.42[/tex]
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Respuesta:
11.
[tex] - \frac{2}{5} \div - \frac{2}{3} = \frac{6}{10} [/tex]
12.
[tex] - \frac{4}{5} \div \frac{2}{7} = \: - \frac{28}{10} [/tex]
13.
[tex] - \frac{5}{7} \div \frac{3}{7} = - \frac{35}{21} [/tex]
14.
[tex] - \frac{4}{5} \div \frac{4}{15} = - \frac{60}{20} [/tex]
15.
[tex] - \frac{2}{5} \div - \frac{7}{6} = \frac{12}{35} [/tex]
16.
[tex] - \frac{8}{5} \div \frac{2}{5} = - \frac{40}{10} [/tex]
17.
[tex] - 2.5 \div 5.3 = - 0.47[/tex]
18.
[tex]6.4 \div - 4.5 = - 1.42[/tex]
19.
[tex] - 5.7 \div - 2.1 = 2.71[/tex]
20.
[tex] - 6.4 \div - 4.5 = 1.42[/tex]