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Mathematics, 05.11.2020 05:10 barbiegirllover
Três quilogramas de arroz e dois quilogramas de feijão custam juntos R$ 17,00. Já cinco quilogramas de arroz e três quilogramas de feijão custam R$ 27,00. Quanto custa cada quilograma de arros e cada quilograma de feijão?
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Mathematics, 22.06.2019 00:20
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Três quilogramas de arroz e dois quilogramas de feijão custam juntos R$ 17,00. Já cinco quilogramas...
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