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Nesta aula, nós vamos aprender como adicionar e subtrair expressões algébricas adicionando e subtraindo termos semelhantes.
Q1:
Some οΉ 7 π + 6 π ο 2 a οΉ 5 π + π β 5 π ο 3 2 .
Q2:
Some οΉ π + 2 π β 3 π ο 2 3 a οΉ β 9 π β 3 π + 9 π ο 3 2 .
Q3:
Some οΉ 2 π + 5 π β 3 π ο 3 2 a οΉ 5 π β 8 π + 8 π ο 2 3 .
Q4:
Subtraia 1 9 π¦ + 1 8 π₯ de 2 3 π₯ β 2 4 π¦ .
Q5:
Subtraia 3 9 π¦ + 4 0 π₯ de 4 7 π₯ β 2 π¦ .
Q6:
Subtraia 2 9 π¦ + 2 4 π₯ de 3 3 π₯ β 3 6 π¦ .
Q7:
Subtraia 7 π¦ + π§ β 3 π₯ 2 3 de 6 π₯ + 5 π§ β 8 π¦ 3 2 .
Q8:
Some 3 8 π₯ β 3 3 π¦ + 2 8 π§ , 2 4 π¦ β 2 3 π₯ β 2 3 π§ , e 2 4 π₯ β 1 1 π§ β 1 7 π¦ , subtraia o resultado de 2 6 π₯ β 1 7 π¦ + 1 9 π§ .
Q9:
Some 3 2 π₯ β 4 0 π¦ + 4 5 π§ , 1 4 π¦ β 2 4 π₯ β 2 π§ , e 5 π₯ β 2 0 π§ β 1 7 π¦ , subtraia o resultado de 8 π₯ β 1 3 π¦ + 1 9 π§ .
Q10:
Subtraia 6 π₯ β 4 π¦ β π§ 3 2 da soma de 9 π₯ + 8 π¦ β 7 π§ 3 2 e 8 π₯ β 9 π¦ β 6 π§ 3 2 .
Q11:
Subtraia β π₯ β 3 π¦ + 8 π§ 2 4 5 da soma de π₯ β 8 π¦ + π§ 2 4 5 e 7 π₯ β 3 π¦ β 2 π§ 2 4 5 .
Q12:
Subtraia οΉ β 8 π₯ π¦ + 2 π₯ π¦ + 6 π₯ π¦ ο 2 3 3 4 de οΉ β π₯ π¦ β 8 π₯ π¦ + 9 π₯ π¦ ο 4 3 3 2 .
Q13:
Some 7 π π β 2 π π β π π 2 2 3 2 a 8 π π β 9 π π β 5 π π 3 2 2 2 .
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