Respuesta:
71
Explicación paso a paso:
54+(6+4)-{6+[(3+8)-21]-3} =
54+6+4-{6+[3+8-21]-3} =
54+6+4-{6+3+8-21-3}
54+6+4-6-3-8+21+3 =
88 - 17 = 71
RPTA: 71
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Respuesta:
71
Explicación paso a paso:
54+(6+4)-{6+[(3+8)-21]-3} =
54+6+4-{6+[3+8-21]-3} =
54+6+4-{6+3+8-21-3}
54+6+4-6-3-8+21+3 =
88 - 17 = 71
RPTA: 71