The sum of the number of people in class 1 and class 4 is equivalent to the number of people in class 1 (11/5). In this sentence, the number of people in the class of five should be regarded as the amount of the unit "1".
四1班与四2班人数的和相当于五1班人数的(11/5)．这句话中应把五多少班人数看作单位"1"的量．
<result>1</result>