Preference

প্রশ্নঃ

2x + 2y + x2 - y2x + y = ?

  1. ক.

    x - yx + y

  2. খ.

    (x - y)2x + y

  3. গ.

    x - y

  4. ঘ.

    2 + x - y

উত্তরঃ
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