To re-express or confirm the theme (thought of philosophy) that the writer wishes to convey. This desire to re-express may be because the writer wishes to impress it upon the reader to the point of the dumbest one finally comprehending it - or just for the joy of doing so.
China invaded the kingdom twice. In between, the Mongols attacked.
1 third = 0.3 recuring. So 0.3 recuring time 7 = around 2.1
22.2222 recuring
21.3 recuring
5.833333333... (the 3's repeat forever, it is recuring.) You would write it as "Five point eight three recuring".
3.1333
She was haunted by reoccurring nightmare for years.
19/90 = 0.2111111111...
2.6 recuring
27.'692307' % (recuring decimal)
answer is $1,333.333 recuring
0.0303030303030303..... with the 03 recuring