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1.份数每份数×份数=总数总数÷每份数=份数总数÷份数=每份数2.倍数1倍数×倍数=几倍数几倍数÷1倍数=倍数几倍数÷倍数=1倍数3.路程速度×时间:路程路程÷速度=时间路程÷时间=速度
1. Number of copies per copy × number of copies = total number of copies ÷ per copy = total number of copies ÷ copy = per copy 2. Multiplier 1 Multiplier × Multiplier = Multiples Multiples ÷ 1 Multiplier = Multiples Multiples ÷ Multiples = 1 multiple 3. Distance speed × time: distance traveled ÷ speed = time distance ÷ time = speed