Explicación paso a paso:
[tex]9 \times 9 - 1[/tex]
[tex] = 81 - 1[/tex]
[tex] = 80[/tex]
Respuesta:
80
XD
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Verified answer
Explicación paso a paso:
[tex]9 \times 9 - 1[/tex]
[tex] = 81 - 1[/tex]
[tex] = 80[/tex]
Respuesta:
80
Explicación paso a paso:
XD