分数应用题大致可分两类:一类是数量关系和解答方法与整数应用题相同,只是条件用分数来表示;另一类是由分数乘法意义的扩展而出现的“求一个数是另一个数的几分之几”“求一个数的几分之几时多少”和“已知一个数的几分之几是多少求这个数”三种分数基本应用题,以及与这三种应用题相关的稍复杂的分数应 Fractional application questions can be roughly divided into two categories: one is the relationship between the number and answer methods and integer application of the same problem, but the conditions expressed by the score; the other is the expansion of the meaning of the fractional multiplication appears “seeking a number is another A few fractions of a few ”“ a few fractions of a few hours ”and“ a few fractions of a known number is the number of what is required to find the ”three fractional basic application questions, as well as The slightly complicated scores associated with these three application questions should be