Respuesta:
[tex]0 - 20 = - 21 \\ 41 - 10 - 10 - 41 = - 21 \\ 621 - 621 - 21 = - 21 \\ {2}^{2} - 11 - {2}^{2} - 10 = - 21[/tex]
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Verified answer
Respuesta:
[tex]0 - 20 = - 21 \\ 41 - 10 - 10 - 41 = - 21 \\ 621 - 621 - 21 = - 21 \\ {2}^{2} - 11 - {2}^{2} - 10 = - 21[/tex]