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Soal umur

diketahui lima thn yg lalu, 3 kali umur Tifa sama dengan 2 kali umur Lia. tiga thn yg akn dtng, 2 kali umur Tifa sama dgn umur Lia ditambah 11 thn. berapakah umur Tifa dan umur Lia skrng??

sumber soal: https://www.facebook.com/groups/451723864844903/permalink/753452831338670/

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