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Mathematics, 09.03.2021 03:30 PlaneGamer5678

7 Derya'nın yaşı, babasinin yaşının
3'ü kadardır. Babasının yaşı ise
15
Derya'nın dedesinin yaşinin
1
8
kadardır. Derya'nin dedesi 72 yo-
sinda olduğuna göre Derya kaç
yaşındadır?​

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Answers: 3

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7 Derya'nın yaşı, babasinin yaşının
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