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Jawab Masalah 2:
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Masalah 3
Harga satu buah roti dan tiga botol air kemasan 200 ml adalah Rp 3.500,00.
Harga empat buah roti dan dua botol air kemasan 200 ml adalah Rp 9.000,00.
Tentukan persamaan matematik untuk masalah ini.
Jawab Masalah 3:
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