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leo313131
@leo313131
October 2020
2
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1/2-(1/4-1-3/10)-(-9/10+4/5)
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alinesr1996
determine o valor da expressao numerica:
1/2-(1/4-1-3/10)-(-9/10+4/5)
1
-(
1
- 1 -
3
) - (-
9
+
4
) mmc = 20
2 4 10 10 5
10
-(
5 - 20 - 6
) - (-
18 + 16
)
20 20 20
10 - ( -21 ) + 2
20 20 20
10+21+ 2
20
- 33
20
0 votes
Thanks 2
3478elc
Verified answer
1/2-(1/4-1-3/10)-(-9/10+4/5)
Começamos respondendo o que está dentro dos parenteses
1/2-(-21/20)-(-1/10)
1/2 + 21/20 + 1/10
33/20
0 votes
Thanks 0
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Lista de comentários
determine o valor da expressao numerica:
1/2-(1/4-1-3/10)-(-9/10+4/5)
1 -( 1 - 1 - 3 ) - (- 9 + 4 ) mmc = 20
2 4 10 10 5
10 -( 5 - 20 - 6) - (-18 + 16)
20 20 20
10 - ( -21 ) + 2
20 20 20
10+21+ 2
20
- 33
20
Verified answer
1/2-(1/4-1-3/10)-(-9/10+4/5)Começamos respondendo o que está dentro dos parenteses
1/2-(-21/20)-(-1/10)
1/2 + 21/20 + 1/10
33/20