数学计划表中的疑问？

mingyue_123 · 发表于 2007-10-14 10:07:55

请教高手这段话是什么意思？
还有在什么时候进行加点卡与字卡的转换？

In descendent form To say sequence in descendent form of 5 numbers without showing 4 first letters, single is letter 5, completes it. EXAMPLE: To quickly say 25, 24, 23, 22 and letter 21 is. To make 3 sessions to the day of four sequences and in fourth making solution of problems
万分感激

mingyue_123 · 发表于 2007-10-29 20:51:36

也没人理我啊

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[数学] 数学计划表中的疑问？