200÷[5/8×20%+(1-5/8)]
=200÷1/2
=400噸
一批稻谷存放在兩個糧食倉庫中,甲倉庫所存的稻谷數(shù)量是乙倉庫的八分之五,后來從甲倉庫取出20%,從乙倉庫取出200噸,這時所存的稻谷數(shù)量相等.乙倉庫原有稻谷多少噸(算術(shù)法解答)
一批稻谷存放在兩個糧食倉庫中,甲倉庫所存的稻谷數(shù)量是乙倉庫的八分之五,后來從甲倉庫取出20%,從乙倉庫取出200噸,這時所存的稻谷數(shù)量相等.乙倉庫原有稻谷多少噸(算術(shù)法解答)
數(shù)學人氣:227 ℃時間:2020-06-03 19:05:26
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