| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem in which: there are various ability development methods and it is known that repetition of simple calculations is also effective; but monotonous repetition makes it difficult to further improve the effect; therefore an ability development method that allows more simple and smooth calculation is required. <P>SOLUTION: An excel macro is used to update a random number table in two digits and addition, multiplication and division are distributed at intervals to thereby improve the effect of mental ability development more simply and with better balance. <P>COPYRIGHT: (C)2012,JPO&INPIT |
