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Miguel
• Determine no caderno o valor numérico de cada expressão algébrica para x = 2. a) 3x+17\frac{3x+1}{7}73x+1 c) x2−5x+6x² - 5x + 6x2−5x+6 b) x2+3x+2x² + 3x + 2x2+3x+2 d) x3+2x2+x2+1x³ + 2x² + \frac{x}{2} + 1x3+2x2+2x+1
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