MillenaAndrade1221
MillenaAndrade1221 MillenaAndrade1221
  • 25-03-2021
  • Mathematics
contestada

1)Resolva as contas
a) (-3/5) + (-3/4)=
b) (-2,5) + (-1,14)=
c) (-3/4) + (-0,4)=
Com o MMC se for possível

Respuesta :

faisal4craft7 faisal4craft7
  • 25-03-2021
a) = -3/5 - 3/4
= -12/20 - 15/20
= -27/20

b ) -2,5 - 1,14 = -3,64

C) -3/4 - 0.4

-0.75 - 0.4 = -1.15
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