11.12.13.14.15.16.17.18.19相加横竖都等于相同数字,怎么算?

11.12.13.14.15.16.17, 11.12.13.14.15.16.17题 11.12.13.14.15.16.17先谢谢了 11.12.13.14.15.16. 11.12.13.14.15.16 11.12.13.14.15.16, 11.12.13.14.15.16. 填空题的11.12.13.14.15.16.17题. 9.10.11.12.13.14.15.16.17. 第11.12.13.14.15.16题, 11.12.13.14.15.16.17.18题, 13.14.15.16.17题 13.14.15.16.17选啥 13.14.15.16.17题 13.14.15.16.17页 13.14.15.16.17题答案 11.12.13.14.15.16.17.18.19.20的英文怎么读 11.12.13.14.15.16.17.18.19.20数字用英语怎样写