2 | 3 | 4 | 15 | 12 3 | 4 | 5 | 28 | 20 4 | 5 | 6 | 45 | 30 5 | 6 | 7 | 66 | 42 6 | 7 | 8 | | 56帮我算算?问号里应该是什么数字2 | 3 | 4 | 15 | 12 3 | 4 | 5 | 28 | 20 4 | 5 | 6 | 45 | 30 5 | 6 | 7 | 66 | 42 6 | 7 | 8 | | 56

问题描述:

2 | 3 | 4 | 15 | 12 3 | 4 | 5 | 28 | 20 4 | 5 | 6 | 45 | 30 5 | 6 | 7 | 66 | 42 6 | 7 | 8 | | 56
帮我算算?问号里应该是什么数字
2 | 3 | 4 | 15 | 12
3 | 4 | 5 | 28 | 20
4 | 5 | 6 | 45 | 30
5 | 6 | 7 | 66 | 42
6 | 7 | 8 | | 56

91