(-9.6)-(8.3)=
(-12.4)-(-3.3)=
(-45.6)-(-18.4)=
(-52.2)-(4.3)=


(-9.6)+(8.3)=
(-12.4)+(+3.3)=
(-45.6)+(+18.4)=
(-52.2)+(-4.3)=

Respuestas

Respuesta dada por: rosaiselachavoyadero
0

Explicación paso a paso:

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