推 ntnnthree: 偶數 114.26.161.209 03/14 00:15
推 xu42j0: 偶數125.230.213.141 03/14 00:15
→ ytes4122: =====xx 60.244.18.33 03/14 00:15
→ xu42j0: 等差數列125.230.213.141 03/14 00:15
推 canhong: 整數111.184.209.109 03/14 00:16
推 dayaju: 整數 114.24.159.246 03/14 00:16
→ ytes4122: ==========xx 60.244.18.33 03/14 00:16
→ ntnnthree: 高合成數 114.26.161.209 03/14 00:16
推 Mathmaster: 合數 140.112.249.45 03/14 00:17
→ ntnnthree: 的正因數個數 114.26.161.209 03/14 00:17
→ ytes4122: 推 Mathmaster: 合數 60.244.18.33 03/14 00:18
推 JieLi: 共因數 49.215.48.218 03/14 00:18
推 xu42j0: 合數125.230.213.141 03/14 00:18
→ Mathmaster: 收到感謝 140.112.249.45 03/14 00:18
→ jtmh: 好難XD 111.255.228.76 03/14 00:18
就是不是質數的數啊(除了1)
※ 編輯: ytes4122 (60.244.18.33), 03/14/2017 00:20:01