Respuesta:
-17
Explicación:
3(1)+2(-1)+7(1)-9(-1)-20(1)+14(-1)
3-2+7+9-20-14
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Respuesta:
-17
Explicación:
3(1)+2(-1)+7(1)-9(-1)-20(1)+14(-1)
3-2+7+9-20-14
-17