15 and 45. 15*7=105, 45*9=405. That's all.
回複:南斯拉夫奧賽題:兩位數(2星)
There are two solutions:
15 and 45. 15*7=105, 45*9=405. That's all.
15 and 45. 15*7=105, 45*9=405. That's all.
所有跟帖:
• 回複:回複:南斯拉夫奧賽題:兩位數(2星) -markren- ♂ (22 bytes) () 07/06/2009 postreply 12:16:02