Respuesta:
-15
Explicación:
9x9=81
81-1=80
(-6)x2=-6x2=-12
80÷(-10)=-8
-12-8=-20
-20-(-5)=-20+5=-15
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Respuesta:
-15
Explicación:
9x9=81
81-1=80
(-6)x2=-6x2=-12
80÷(-10)=-8
-12-8=-20
-20-(-5)=-20+5=-15