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leanne-gray_60c2428756c80
leanne-gray_60c2428756c80
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leanne-gray_60c2428756c80
Joined
June 2021
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June 2021
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O valor de a é - 1 , então tá errado rfaça as contas com a = -1
in
-x²+6x-9=0 esta certo ou naaao?
Comment by
leanne-gray_60c2428756c80
June 2021
