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Riza Ristiani

1 �ݺ�ߣShare 187 Followers 247 Followings

1 �ݺ�ߣShare 187 Followers 247 Followings

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بِسْــــــــــــــمِ اللهِ الرَّحْمَنِالرَّحِيْـــ Riza Ristiani :)

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turunan (kalkulus)

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