Tema 2:Calcula
a)20+(10+(-3)-45)- (32 - 4)=
b)-26+(-12+15)-(20-35)=
a)20+(10+(-3)-45)- (32 - 4)=
b)-26+(-12+15)-(20-35)=
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Respuesta:
a=-46 b=44
Explicación paso a paso: