1, "Fractional Division Application Problem" is the first lesson of solving problems in Unit 3, Grade 6, Primary School Mathematics by People's Education Press. This section includes 37 pages of examples 1 and 38 pages of "Do it" (1) and (2) questions.

2. This lesson is taught after learning the calculation method of fractional division, which paves the way for the later study of percentage application problems.

Example:

(1) There is a 20㎡ corn field in the school biological park, and the area planted with corn is 4/5 of that planted with Chinese cabbage. How much m2 is it to grow cabbage? ?

A loom can weave 3 2 meters in 5 4 hours. 1 hour 1 how many meters are woven? How many hours does it take to "2" weave 1 rice cloth? ?

(3) The highway team has built 2,400 meters of roads this year, less than last year 1/5. How many meters of roads were built last year?

(4) Transport 60 tons of cement from the construction site and distribute it to the engineering teams of Party A and Party B according to the ratio of 2:3. How many tons of cement does each team get? ?

(5) Form a rectangle with 28-meter-long iron wire. The length-width ratio of this rectangle is 5:2. What is the length and width of this rectangle?