Respuesta:
+9 - (-4)
9 + 4
= 13
(+8) - (-6)
8 + 6
= 14
(+3) - (-2)
3 + 2
= 5
cuando se multiplica entre los signos
( - ).( - ) = ( + )
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Respuesta:
+9 - (-4)
9 + 4
= 13
(+8) - (-6)
8 + 6
= 14
(+3) - (-2)
3 + 2
= 5
cuando se multiplica entre los signos
( - ).( - ) = ( + )