2. Repairing a section of road, four fifths of the total length was repaired on the first day, four fifths of meters were repaired on the second day, and there were more on the first day.
3. According to the fact that the output is increased by one fifth than planned, the following description is wrong (c).
In question A, the planned output is taken as the unit 1 B, which is actually equivalent to the planned output (1+ 1/5).
C planned output is equivalent to actual (1+ 1/5) d actual output /( 1+ 1/5) = planned output.
1.20 18 when and where is the qualification examination for special post teachers in Hongsibao District, Ningxia?
20 18 Announcement on the