2.
把所有正偶数从小到大排列,并按如下规律分组:
第一组:\(2\),\(4\);
第二组:\(6\),\(8\),\(10\),\(12\);
第三组:\(14\),\(16\),\(18\),\(20\),\(22\),\(24\)
第四组:\(26\),\(28\),\(30\),\(32\),\(34\),\(36\),\(38\),\(40\)
\(……\)
则现有等式\(A_{m}=(i,j)\)表示正偶数\(m\)是第\(i\)组第\(j\)个数\((\)从左到又数\()\),如\(A_{10}=(2,3)\),则\(A_{2018}=(\) \()\)