"":.
1 -
2 - -
3 - 10 .
4 -
5 - =10 =
6 -
7 -
8 -
9 -
10 -
11 -
|
1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321
" : 142 857.
, :
142 857 * 1 = 142 857
142 857 * 2 = 285 714
3 = 428 571
4 = 571 428
5 = 714 285
6 = 857 142
7 999 999.
, 142 + 857 = 999,
14 + 28 + 57 = 99.
: 142 857 20408122449.
20408+122449 = 142 857"
111111111 * 111111111 = 12345678987654321
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