11.....1 55.......5 ÷ 33...35
~~~~~~~~ ~~~~~~~~ ~~~~~
2000个1 2000个5 1999个3
11.....1 55.......5 ÷ 33...35
~~~~~~~~ ~~~~~~~~ ~~~~~
2000个1 2000个5 1999个3
11.....1 55.......5 ÷ 33...35=(11.....1 55.......5 )×3÷ (33...35)×3
=(11.....1 55.......5 ÷ 100...05)×3
~~~~~~~~ ~~~~~~~~ ~~~~~
2000个1 2000个5 1999个0
= 33...3
~~~~~
2000个3