Resolva as expressões (5/8 + 3/5)2 =
(2/3 × 3/8 + 5/9) 2 =
(5/8 3/8 × 4) 5 =
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(5/8 + 3/5) 2
(25/40 + 24/40) 2
49/40 . 2/1
98/40 : 2 (simplificando)
49/20
(2/3 × 3/8 + 5/9) 2
(6/24 + 5/9) 2
(18/72 + 40/72) 2
58/72 . 2/1
116/72 : 4 (simplificando)
29/18
(5/8 3/8 × 4) 5 (qual sinal ente 5/8 e 3/8?)
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