× × × = 47                                         × × = 35                           ¯
                                                                          M ¯1
                                                                                  × = 23
= 10 × 10 × 10 × 10                                =9×9×9×9×9                 ¯2
                                                                          =4×4×4
= × × × × = 52                                                                   :3
                      100 000 = 10
                                                                          = × = 26
                                                        = × × =9 ¯
                                            = 710                         1 000 = 3
       ¯ ¯ ¯ , 1972                                M ¯ 10 ¯               ¯4
                  430 M                                                ¯
                                                                           ¯ ¯ 430
                                                            = > <¯                       5
100 8  ¯                                           2×5  25                           610
                                                        ¯ ? ¯ï            23 = 32 ¯  6
ï? ï                                        M ,64              ¯ 6×6×6×6 ¯ 7
                                                            ¯¯ ? ¯                   8
                                                                          : 910
                                         ¯
21