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Mathematics, 15.08.2020 19:01 Messick127
A soma de um número x com o dobro de um número y é 5; e a diferença entre o dobro desse número x e número y é igual a 10. Sendo assim, é correto afirmar que o produto x. y é igual a?
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A soma de um número x com o dobro de um número y é 5; e a diferença entre o dobro desse número x e n...
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