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1626
@1626
December 2019
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A)3/4+1/6 b)2/5-1/6+1/2
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Th2y
A) 18+4/24=22/24=11/12
b) 12-5+15/30=22/30=11/15
Primeiro você faz o MMC e depois resolve e simplifica
0 votes
Thanks 1
rosanev
A) 3/4 + 1/6 =
mmc: 12
3.3/12 + 1.2/12 = 9/12 + 2/12 = 11/12
b) 2/5 - 1/6 + 1/2 =
mmc: 30
2.6/30 - 1.5/30 + 1.15/30 =
18/30 - 5/30 + 15/30 =
(18 - 5 + 15)/30 = 28/30 = 14/15
2 votes
Thanks 2
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Lista de comentários
b) 12-5+15/30=22/30=11/15
Primeiro você faz o MMC e depois resolve e simplifica
mmc: 12
3.3/12 + 1.2/12 = 9/12 + 2/12 = 11/12
b) 2/5 - 1/6 + 1/2 =
mmc: 30
2.6/30 - 1.5/30 + 1.15/30 =
18/30 - 5/30 + 15/30 =
(18 - 5 + 15)/30 = 28/30 = 14/15