[中學] 猜數字
AB*CD=BCAD
AD*CB=ABCD
求 A、B、C、D?
A、B、C、D 為相異 0~9 的數字
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01/26 22:02, , 1F
01/26 22:02, 1F
→
01/26 22:08, , 2F
01/26 22:08, 2F
→
01/26 22:09, , 3F
01/26 22:09, 3F
→
01/26 22:12, , 4F
01/26 22:12, 4F
→
01/26 22:13, , 5F
01/26 22:13, 5F
→
01/26 22:13, , 6F
01/26 22:13, 6F
→
01/26 22:36, , 7F
01/26 22:36, 7F
→
01/26 22:41, , 8F
01/26 22:41, 8F
→
01/26 22:45, , 9F
01/26 22:45, 9F
→
01/26 22:46, , 10F
01/26 22:46, 10F
→
01/26 22:51, , 11F
01/26 22:51, 11F
→
01/26 22:52, , 12F
01/26 22:52, 12F
→
01/26 22:55, , 13F
01/26 22:55, 13F
→
01/26 22:56, , 14F
01/26 22:56, 14F
推
01/26 23:12, , 15F
01/26 23:12, 15F