Respuesta:
2-(-15)+(-28)=15
2+(+15)+(-28)= -11
(+17)+(-28)=-11
Explicación paso a paso:
(-)+(-)=+
(+)+(+)=+
(-)+(+)=-
(+)-(-)=-
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Respuesta:
2-(-15)+(-28)=15
2+(+15)+(-28)= -11
(+17)+(-28)=-11
Explicación paso a paso:
(-)+(-)=+
(+)+(+)=+
(-)+(+)=-
(+)-(-)=-