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isabelasantos75
@isabelasantos75
July 2022
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calcule mentalmente
A- 3v-1 + 2/3
B- 3v-1 . 9
C- 7v-2 . 49
D- 6v-2 + 35/36
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3478elc
Verified answer
A- 3v-1 +
2
=
9v - 3 + 2
==>
9v - 1
3 3 3
B- 9(3v-1) ==> 27v - 9
C- 7v-2 . 49 ==> 49(7v - 2) = 343v - 98
D- 6v-2 +
35
==> 216v - 72 + 35 ==>
216v - 37
36 36 36
2 votes
Thanks 3
isabelasantos75
v é raiz quadra acabei errando é pra ser elevado ^ tem como fazer de novo ?
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Calcule a- 3^-1 +2/3 b-3^1 . 9 c- 7^-2 . 49 d- 6^-2 + 35/36
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Lista de comentários
Verified answer
A- 3v-1 + 2 = 9v - 3 + 2 ==> 9v - 1
3 3 3
B- 9(3v-1) ==> 27v - 9
C- 7v-2 . 49 ==> 49(7v - 2) = 343v - 98
D- 6v-2 + 35 ==> 216v - 72 + 35 ==> 216v - 37
36 36 36