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larissagarcia1

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Resolva as equações abaixo de primeiro e segundo grau A) x+30=40 B) 30-20+2x=10 C) x²-5x+6=0 D) x²-8x+12=0
Responda
Resolva: 30 - 20 +2X =10
Responda
Resolva: x² - 5X + 6 = 0
Responda

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