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 ½Æ»s¥N½X{=SUM(IF(D1:D3="¥Ò",B1:B3,))}
=SUMPRODUCT(N(D1:D3="¥Ò"),B1:B3)
=SUMPRODUCT(--(D1:D3="¥Ò"),B1:B3)
=SUMPRODUCT((D1:D3="¥Ò")*1,B1:B3)
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