Respuesta:
[tex]\frac{3}{20}+ \frac{18}{20}- \frac{13}{20} -\frac{4}{20} =\frac{4}{20} =\frac{1}{5}[/tex]
formula:
[tex]\frac{c}{y} +\frac{d}{y}- \frac{z}{y} =\frac{c+d-z}{y}[/tex]
Explicación paso a paso:
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Respuesta:
[tex]\frac{3}{20}+ \frac{18}{20}- \frac{13}{20} -\frac{4}{20} =\frac{4}{20} =\frac{1}{5}[/tex]
formula:
[tex]\frac{c}{y} +\frac{d}{y}- \frac{z}{y} =\frac{c+d-z}{y}[/tex]
Explicación paso a paso: