Respuesta:
[tex]-(-9+21)+[-8+(4-3)-(7+2)-3]\\ \\ -(12)+[-8+1-9-3] \\ \\ -12+[-7-9-3] \\ \\ -12+[-16-3]\\ \\ -12-19\\ \\ -31\\ \\ Rpta: -31[/tex]
9+21+8+4-3-7+2-3
=
50
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Verified answer
Respuesta:
[tex]-(-9+21)+[-8+(4-3)-(7+2)-3]\\ \\ -(12)+[-8+1-9-3] \\ \\ -12+[-7-9-3] \\ \\ -12+[-16-3]\\ \\ -12-19\\ \\ -31\\ \\ Rpta: -31[/tex]
Respuesta:
9+21+8+4-3-7+2-3
=
50
50