17.-ADICION QUE PERMITE RESOLVER LA SUSTRACCION (-7.2) – (-3.5)= *
7.2 + (-3.5)
(-7.2) + 3.5
Opción 3
7.2 +3.5
7.2 + (-3.5)
(-7.2) + 3.5
Opción 3
7.2 +3.5
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Respuesta:
10.7 esa es la respuesta