cálculos(5e) Lição: Expandir e reduzir a(b+c) = ab+ac (a+b)² = (a+b) (a+b) = a²+ab+ba+b² = a²+2ab+b² a(b#8722;c) = ab#8722;ac (a#8722;b)² = (a#8722;b) (a#8722;b) = a²#8722;ab#8722;ba+b² = a²#8722;2ab+b²…
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cálculos(5e) Lição: Expandir e reduzir a(b+c) = ab+ac (a+b)² = (a+b) (a+b) = a²+ab+ba+b² = a²+2ab+b² a(b#8722;c) = ab#8722;ac (a#8722;b)² = (a#8722;b) (a#8722;b) = a²#8722;ab#8722;ba+b² = a²#8722;2ab+b²…
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