Efetuei as multiplicacões A) 2. 7/6. (-3/4)=
B) 2/3:(-1/4):8/5=
C) 4/7:(-3/5)=
Soluções para a tarefa
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A) 2. 7/6. (-3/4)=
-42/24 =
= - 7/4
B) 2/3:(-1/4):8/5=
2/3 . -4/1 : 8/5 =
-8/3 : 8/5 =
-8/3 . 5/8 =
-40/24 =
= -5/3
C) 4/7:(-3/5)=4/7 . -5/3 =
-20/21
Bons estudos
-42/24 =
= - 7/4
B) 2/3:(-1/4):8/5=
2/3 . -4/1 : 8/5 =
-8/3 : 8/5 =
-8/3 . 5/8 =
-40/24 =
= -5/3
C) 4/7:(-3/5)=4/7 . -5/3 =
-20/21
Bons estudos
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