打印以下九九乘法表。
Sure, here's the multiplication table:

```
1 × 1 = 1  1 × 2 = 2  1 × 3 = 3  1 × 4 = 4  1 × 5 = 5  1 × 6 = 6  1 × 7 = 7  1 × 8 = 8  1 × 9 = 9
2 × 1 = 2  2 × 2 = 4  2 × 3 = 6  2 × 4 = 8  2 × 5 = 10 2 × 6 = 12 2 × 7 = 14 2 × 8 = 16 2 × 9 = 18
3 × 1 = 3  3 × 2 = 6  3 × 3 = 9  3 × 4 = 12 3 × 5 = 15 3 × 6 = 18 3 × 7 = 21 3 × 8 = 24 3 × 9 = 27
4 × 1 = 4  4 × 2 = 8  4 × 3 = 12 4 × 4 = 16 4 × 5 = 20 4 × 6 = 24 4 × 7 = 28 4 × 8 = 32 4 × 9 = 36
5 × 1 = 5  5 × 2 = 10 5 × 3 = 15 5 × 4 = 20 5 × 5 = 25 5 × 6 = 30 5 × 7 = 35 5 × 8 = 40 5 × 9 = 45
6 × 1 = 6  6 × 2 = 12 6 × 3 = 18 6 × 4 = 24 6 × 5 = 30 6 × 6 = 36 6 × 7 = 42 6 × 8 = 48 6 × 9 = 54
7 × 1 = 7  7 × 2 = 14 7 × 3 = 21 7 × 4 = 28 7 × 5 = 35 7 × 6 = 42 7 × 7 = 49 7 × 8 = 56 7 × 9 = 63
8 × 1 = 8  8 × 2 = 16 8 × 3 = 24 8 × 4 = 32 8 × 5 = 40 8 × 6 = 48 8 × 7 = 56 8 × 8 = 64 8 × 9 = 72
9 × 1 = 9  9 × 2 = 18 9 × 3 = 27 9 × 4 = 36 9 × 5 = 45 9 × 6 = 54 9 × 7 = 63 9 × 8 = 72 9 × 9 = 81
```