انشر وبسط مايلي
(a+b)b-(b-a)*a-b²

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Grade: Education Subject: mathematiques
انشر وبسط مايلي
(a+b)b-(b-a)*a-b²
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Best Answer
(84)
(a+b)b-(b-a)*a-b²
=ab+b²-ab+a²-b²
=a²