(2)54×3=162;
(3)要求数的分子依次是5,6;
分母依次是:11+2=13,13+2=15;
要求的这两个数就是:
| 5 |
| 13 |
| 6 |
| 15 |
(4)要求数的分子都是1,
分母依次是:81×3=243,
243×3=729,
要求的这两个数依次是:
| 1 |
| 243 |
| 1 |
| 729 |
(5)要求数的分子都是1,
分母依次是:5×5=25,
6×6=36,
要求的这两个数依次是:
| 1 |
| 25 |
| 1 |
| 36 |
故答案为:13,162,
| 5 |
| 13 |
| 6 |
| 15 |
| 1 |
| 243 |
| 1 |
| 729 |
| 1 |
| 25 |
| 1 |
| 36 |
| 1 |
| 5 |
| 2 |
| 7 |
| 3 |
| 9 |
| 4 |
| 11 |
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 27 |
| 1 |
| 81 |
| 1 |
| 1 |
| 1 |
| 4 |
| 1 |
| 9 |
| 1 |
| 16 |
| 5 |
| 13 |
| 6 |
| 15 |
| 1 |
| 243 |
| 1 |
| 729 |
| 1 |
| 25 |
| 1 |
| 36 |
| 5 |
| 13 |
| 6 |
| 15 |
| 1 |
| 243 |
| 1 |
| 729 |
| 1 |
| 25 |
| 1 |
| 36 |