“连乘应用题”是九年义务教育五年制小学数学第六册课本中第五单元的“两三步计算的应用题”的第一课时。第五册教材中已出现过用两种解法解答的连乘应用题，这里出现的是另一种形式的连乘应用题，其特点是末知量随着两个量的变化而变化。如例题中所求的量“５人４天一共编多 “Lian Lian Application” is the first class hour of “Two or Three Steps Calculation Application”, the fifth unit in the sixth volume of the five-year compulsory education elementary school mathematics. The fifth book has appeared in two textbooks with two solutions to solve the problem of multiply multiplication, here is another form of multiplicate application problem, which is characterized by the amount of the end of the two variables with the amount of change. As the example of the amount of "5 people 4 days a total of more than editor