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Ťյ鹡ԴҡͧǤԴѡ
ǤԴá Ťԧ͹ؾѹ (Differential Calculus) 繷ɮշҴѵҡ¹ŧ ǢͧѺ͹ؾѹͧѧѹҧԵʵ
ǤԴͧ ŤԧԾѹ (Integral Calculus) 繷ɮշçѹ㨨ҡäӹdzҵͧٻçҧâҤԵҧ .
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DG4kaew

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