Respuesta:
8/3
Explicación paso a paso:
21/15+7/3
21/15+7.5/3.5
21+35/15
56/15
56/15-32/30
56.2/15.2-32/30
112-32/30
80/30
CLAVE C)
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Respuesta:
8/3
Explicación paso a paso:
21/15+7/3
21/15+7.5/3.5
21+35/15
56/15
56/15-32/30
56.2/15.2-32/30
112-32/30
80/30
8/3
CLAVE C)