resolva as multiplicaçôes indicadas abaixo:?
PRECISO COM URGENCIA DESSAS QUESTOES.
ME AJUDEM
DOU 10 PONTOS.
a) (2/5) . (2/3)=
b) (- 5/8) . (-0,4)=
c) (+1/2) . (+3/4)=
d) ( - 6,4) . (+ 1,5) =
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PRECISO COM URGENCIA DESSAS QUESTOES.
ME AJUDEM
DOU 10 PONTOS.
a) (2/5) . (2/3)=
b) (- 5/8) . (-0,4)=
c) (+1/2) . (+3/4)=
d) ( - 6,4) . (+ 1,5) =
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Verified answer
a) (2/5)*(2/3) = 4/15
b) (-5/8)*(-4/10) = 20/80 = 1/4
c) (1/2)*(3/4) = 3/8
d) (64/10)*(3/2) = 192/20 = 48/5
pronto
a) 4/15
b) - 20/50 = - 4/10
c) 2/8 = 1/4
d) - 9,6 ou - 96/10 = - 48/5