请问以下的意思... >"< Conversion of cargo rates and charges must be carried out to one decimal place beyond the number of decimal places of the rounding off unit. The rounding off procedure is based on the half-way point of the rounding off unit. Half the rounding off unit and more = up Less than half the rounding off unit = down 例如: 1.Amount to be rounded-off = 746.3893 2.Rounding off unit = 0.001 3.Rounded-off amount will be either/or = 746.389 / 746.390 4.Half-way point = 746.3895 最後要求得 Rounded off amount = down to 746.389 1是题目会给的值 2是贸易法规定(依各个国家不同而定) 3我猜是由1去决定的值 4则是3的二个值相加除以2 但我不懂依据文章内容,如何判断down or up ... 可以请解答一下吗? 还是其实应该去po在数学板呢?? ><" 拜托各位了~ thank you very much !! --

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