21÷3分之7
=21×7分之3
=9(个)
六一儿童节的装饰花篮是同学们自己用鲜花和彩带扎成的.每个花篮要用三分之七米长的彩带,21米长的彩带一共可以扎多少个花篮?
六一儿童节的装饰花篮是同学们自己用鲜花和彩带扎成的.每个花篮要用三分之七米长的彩带,21米长的彩带一共可以扎多少个花篮?
数学人气:923 ℃时间:2019-10-19 20:35:13
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