如果一头猪可以换3只羊,一头牛可以换10头猪,1头牛可以换多少只羊?
如果一头猪可以换3只羊,一头牛可以换10头猪,1头牛可以换多少只羊?
数学人气：499 ℃时间：2019-10-23 09:11:03
优质解答
由题知,要求的内容可以化成下面这个算是10×3,由10×3=30可知,1头牛可以换30只羊.
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