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A measuring cup contains 1/5 of a cup of orange juice.It is
题目内容：
A measuring cup contains 1/5 of a cup of orange juice.It is then filled to the 1 cup mark with a mixture that contains equal amounts of orange,grapefurit,and pineapple juices.What fraction of the mixture is orange juice?答案是7/15
为什么是4/5呢？第二个代数式解释下吧~
A measuring cup contains 1/5 of a cup of orange juice.It is then filled to the 1 cup mark with a mixture that contains equal amounts of orange,grapefurit,and pineapple juices.What fraction of the mixture is orange juice?答案是7/15
为什么是4/5呢？第二个代数式解释下吧~
为什么是4/5呢？第二个代数式解释下吧~
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