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煤質化驗室分析結果的數字修約規則是什么?

2016-01-15  來自: 鶴壁市華維科力煤質儀器有限公司 瀏覽次數:2138

凡末位有效數字后邊的第一位數字大于5則在其前一位上增加l,小于5則舍去。凡末位有有效數字后邊的第一位數字等于5.而5后邊的數字并非全部為零,則在5 前一位上增加1;5后邊的冊b行Ⅺ剛鍬予開非全都為零,則在5 前一位上增加1;5后邊的如5 前面一仿為偶數(鈳括零).則將5舍棄-所以舍棄的數字、如5 前面一位為偶數(包括零),則將5舍棄。所擬舍棄的數字,若為兩位以上數字時,不得連續進行多次修約


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