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4 votes
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

1 Answer

5 votes
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
User Pavel Sharanda
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