Count the bees and the flowers by twos,by threes,the
问题描述:
Count the bees and the flowers by twos,by threes,the
答
以2个,3个,4个一组的方法数蜜蜂和花朵.
Count the bees and the flowers by twos,by threes,the
以2个,3个,4个一组的方法数蜜蜂和花朵.