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Mathematics, 20.05.2021 02:00 ken3484

No final de 2018, Sofia abraçou a campanha para presentear amigos e parentes com livros. Suas compras foram feitas em uma loja física e duas lojas on-line. Ela efetuou os pagamentos utilizando seu cartão de débito. Após a compra do último livro, calculou o saldo final de sua conta-corrente resolvendo a expressão: -225 - [ 45 × 3 + (-6) × 3 + 18 × 6 + 15 + (-2) × 6 + 27 × 4 + 12 + (-4) × 4]

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No final de 2018, Sofia abraçou a campanha para presentear amigos e parentes com livros. Suas compra...
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