On a recent trip, Cindy drove her car 290miles ,rounded to the nearest 10 miles and used 12 gallons of gasoline , rounded to the nearest gallon. the actual number of miles per gallon that Cindy 's car got on this trip must have been between ?原版解释不明白啊,哪位可以解释下啊?作者: findjuhl 时间: 2013-3-8 22:15
round 是四舍五入,近似的意思。 rounded to the nearest 10 miles 应该是近似到10位吧,那 rounded to the nearest gallon就是四舍五入到个位了。和答案比比看对不对作者: Seven9208 时间: 2013-3-9 10:17
万分感谢!明白了!作者: HenriWilligS 时间: 2013-3-11 06:38
我想不通为何四舍五入D中有295作者: carry 时间: 2013-12-17 11:35
没有特别明白,求解释...作者: marcox 时间: 2021-3-22 10:52
round 是四舍五入,近似的意思。 rounded to the nearest 10 miles 应该是近似到10位吧,那 rounded to the ...
findjuhl 发表于 2013-3-8 22:15
agree。。
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