-
7
7 7
8 3 5 40 7
7
0
7 7 7 8 9
8 9 97809
8 125 124 124 97809
124 123 124
1/2=05 1/4=0.25 1/3=0.333
23/99=0.232323 23 23 23
10n n 10n n 10 0.9864=9864/10000 076=76/100
0.333 =1/3=3/9
0.212121 =7/33=21/99
9 9999 9 0.212121 21 21 2 9 0.212121 21/99
0.212121
3.14212121 =3.14+0.2121/100=3.14+21/99*1/100=314/100+7/3300=10369/3300
1.42272727 0.00313131 2.013521521521 313/220 319/900