Explicación paso a paso:
a. (-5)•4 hay q correguir= (-5)(4)= -20
b.(-3)(-3)•3=9 hay q corregir (-3)(-3)(3)=27
c. 0-(-17)= -17 hay q corregir 0+(+17)=17
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Explicación paso a paso:
a. (-5)•4 hay q correguir= (-5)(4)= -20
b.(-3)(-3)•3=9 hay q corregir (-3)(-3)(3)=27
c. 0-(-17)= -17 hay q corregir 0+(+17)=17