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BrunaGusttavete
@BrunaGusttavete
May 2020
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Me ajuda gente: Simplificando a expressão 3.(-1/2)^2+1/4 sobre/ 3.(-1/3)^2-3/2, obtemos o número: a) -6/7 b) -7/6 c)6/7 d)-5/7
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Lucas7XD
3.(-1/2)²+1/4 /3.(-1/3)²-3/2 =>
3.(1/4)+1/4 / 3.(1/9)-3/2 =>
3/4+1/4 / 3/9-3/2 =>
4/4 / 1/3-3/2 =>
1/ 2/6-9/6
1/-7/6 =>
1.-6/7=-6/7 ///
Letra A
120 votes
Thanks 209
3478elc
3.(-1/2)^2+1/4
3.(-1/3)^2-3/2
1
=
- 1 x 18
=
- 6
- 21
21
7
18
3.(-1/2)^2+1/4
3.(-1)^2 + 1 ==> 3.1 + 1 ==> 3 + 1 ==> 1
2 4 4 4 4 4
3.(-1/3)^2-3/2
3.(-1)^2 - 3 ==> 3.1 - 3 ==> 3 - 3 mmc = 18
3 2 9 2 9 2
6 - 27 ==> - 21
18 18
31 votes
Thanks 46
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3.(1/4)+1/4 / 3.(1/9)-3/2 =>
3/4+1/4 / 3/9-3/2 =>
4/4 / 1/3-3/2 =>
1/ 2/6-9/6
1/-7/6 =>
1.-6/7=-6/7 ///
Letra A
3.(-1/3)^2-3/2
1 = - 1 x 18 = - 6
- 21 21 7
18
3.(-1/2)^2+1/4
3.(-1)^2 + 1 ==> 3.1 + 1 ==> 3 + 1 ==> 1
2 4 4 4 4 4
3.(-1/3)^2-3/2
3.(-1)^2 - 3 ==> 3.1 - 3 ==> 3 - 3 mmc = 18
3 2 9 2 9 2
6 - 27 ==> - 21
18 18