问题描述:
计算:71
×
+61
×
+51
×
+41
×
+31
×
1 |
6 |
6 |
7 |
1 |
5 |
5 |
6 |
1 |
4 |
4 |
5 |
1 |
3 |
3 |
4 |
1 |
2 |
2 |
3 |
问题解答:
我来补答展开全文阅读
问题描述:
1 |
6 |
6 |
7 |
1 |
5 |
5 |
6 |
1 |
4 |
4 |
5 |
1 |
3 |
3 |
4 |
1 |
2 |
2 |
3 |
问题解答:
我来补答