coloca los signos + o - donde corresponda
a) 93 (16 4) =73
b) (19 7) 9 4 12 = 9
c) (18 9 5) 11 45 = 56
a) 93 (16 4) =73
b) (19 7) 9 4 12 = 9
c) (18 9 5) 11 45 = 56
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Respuesta:
a) 73
b) 9
c)56
Explicación paso a paso:
a) 93 - (16+4) = 73
b) (19+7)+9-4-12 =9
c) (18+9-5)+11-45= 56