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MaryLii
@MaryLii
December 2019
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Determine o valor das expressões numéricas
a) (2/5 + 1/5) : (1/4 + 2/4)=
b)(1/1 - 1/4) : (2/5 - 1/10)=
c)(2/7 x 1/4) : (3/4 - 1/5)=
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CinthyaBeneducci
Verified answer
A) (2/5 + 1/5) : (1/4 + 2/4)
3/5 : 3/4
3/5 • 4/3
12/15
Simplicado, o resultado é 4/5.
b)( 1/1 - 1/4): (2/5 - 1/10)
(3/4) : (3/10)
3/4 • 10/3
30/12
Simplicado, o resultado é 5/2.
c) (2/7 x 1/4) : (3/4 - 1/5)
(2/28) : ( 11/20)
(2/28) • (20/11)
40/308
Simplificado, o resultado é 10/77.
Espero ter ajudado :3
93 votes
Thanks 131
MaryLii
Ain obg ^^ Me ajudou muito!
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Lista de comentários
Verified answer
A) (2/5 + 1/5) : (1/4 + 2/4)3/5 : 3/4
3/5 • 4/3
12/15
Simplicado, o resultado é 4/5.
b)( 1/1 - 1/4): (2/5 - 1/10)
(3/4) : (3/10)
3/4 • 10/3
30/12
Simplicado, o resultado é 5/2.
c) (2/7 x 1/4) : (3/4 - 1/5)
(2/28) : ( 11/20)
(2/28) • (20/11)
40/308
Simplificado, o resultado é 10/77.
Espero ter ajudado :3