(+9) ⋅ ........ = −36 (−7) ⋅ ........ = +21
........ ⋅ (+10) = −100 (−30) ⋅ ........ = +30
(+3) ⋅ ........ = −15 (−8) ⋅ ........ = +16
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Respuesta:
espero te ayude
Explicación paso a paso:
(+9) ⋅ (-4) = −36 (−7) ⋅ (-3) = +21
(-10) ⋅ (+10) = −100 (−30) ⋅ (-1) = +30
(+3) ⋅ (-5) = −15 (−8) ⋅ (-2) = +16
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