雞的只數(shù) × 3/4 = 鴨的只數(shù)
鴨的只數(shù) ÷ 3/4 = 雞的只數(shù)
雞的只數(shù)的4分之3相當于鴨的只數(shù).
雞的只數(shù)的4分之3相當于鴨的只數(shù).
求等量關(guān)系.擺脫.最少兩個
求等量關(guān)系.擺脫.最少兩個
數(shù)學(xué)人氣:394 ℃時間:2020-04-21 08:52:30
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