4/1+28/1+70/1+130/1+208/1这个算式是怎样的运算规律
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![4/1+28/1+70/1+130/1+208/1这个算式是怎样的运算规律](/uploads/image/z/632817-9-7.jpg?t=4%2F1%2B28%2F1%2B70%2F1%2B130%2F1%2B208%2F1%E8%BF%99%E4%B8%AA%E7%AE%97%E5%BC%8F%E6%98%AF%E6%80%8E%E6%A0%B7%E7%9A%84%E8%BF%90%E7%AE%97%E8%A7%84%E5%BE%8B)
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4/1+28/1+70/1+130/1+208/1这个算式是怎样的运算规律
4/1+28/1+70/1+130/1+208/1这个算式是怎样的运算规律
4/1+28/1+70/1+130/1+208/1这个算式是怎样的运算规律
4/1+28/1+70/1+130/1+208/1 =4+28+70+130+208 =440